Thereby: Force, average = mass * Velocity, gain / Time, duration

Size: px
Start display at page:

Download "Thereby: Force, average = mass * Velocity, gain / Time, duration"

Transcription

1 Proofs Next two pictures, Picture #6 and #7 presents the Proof of the natural depletion of kinetic energy in a rotational to straight line coupled motion pertaining to the principles set out in picture #2 and #3 applying to the separation of unequal inertial masses by the work of the potential energy contained in an inertial mass moment of a flywheel-rotor. Picture #6 presents the formula for a mutual separation-acceleration between a straight line displacement motion of a rotor- flywheel separating from the inertial mass of a device. Picture #7 presents the stopping- de-acceleration of the straight line displacement rotor- flywheel motion. There are two separating motion and two stopping motion of the rotor- flywheel rotational to straight line displacement coupled motion: Page -59-

2 Important to note in picture #6 are the inverse quare root out of three sums wich indicates a compound feedback system. Next presentation is picture #7, the calculation for the rotor-flywheel angular velocity progression pertaining to the rotational to straight line displacement coupled motion progressing from a straight line velocity Vf from a rotational velocity ωb to a momentary stop condition after a 90º turn increasingly progressing onto ωc. The straight line velocity of the isolated system, during this type of motion, is opposing the velocity +Vd due to the straight line displacement energy conserving collision type motion of the flywheel-rotor on proven on page 70 with vectors and is also applicable if additional energy is induced during this type of motion. Important to note in picture #6 we have a compound feedback system while in the next picture #7 we have a singular feedback system: Page -60-

3 Page -61-

4 MATHEMATICAL FOOTPRINT SUMMARY UNIFORM VERSUS NON-UNIFORM MASS MOTION FOR STRAIGHT LINE DISPLACEMENT Postulation: The secant line connecting the end-points of a curve represents the average slope of that curve and is the proven average slope of the curve. Thereby: Force, average = mass * Velocity, gain / Time, duration No matter how the mass got there, only the velocity gain and time duration determines the average force. Speed, average = Distance, displacement / Time, duration No matter how the mass got there only the distance displacement and the time duration determines the average Speed. Therefore: The first two formulas combined: Force, average = mass * Velocity, gain * Velocity, average / Distance, displacement Finally: The above formula converted from force to work Work, performed = mass * Velocity, gain * Velocity, average = Kinetic, energy, consumed And: Work, performance = mass * Velocity², gain / 2 = Kinetic, potential, energy Ref: Proven by experiment: Gaspard Coriolis Because real usable: impulse² =mass * 2 * work. performed THEREFORE IMPULSE = mass / (2 * Velocity, gain * Velocity, average) MATH FOOTPRINT FOR CALCULATING THE UNIFORM ROTATIONAL TO STRAIGHT LINE COUPLED MOTION The Continuous Centripetal Force for Rotational motion is: Page -62-

5 Force, continuos, centripetal = mass, orbital, motion * Acceleration, centripetal Acceleration, continuous, centripetal =Velocity², tangential / Radius, crank ω = Angular, velocity Velocity, tangential = ω * Radius, orbit, motion Acceleration, continuous, centripetal = (ω * Radius, orbit)² / Radius, crank Acceleration, centripetal =ω² * Radius, orbit Therefore average Force for ¼ turn: Force, average, ¼, turn = mass, flywheel * Radius, orbit * ω² * 2 / π Furthermore by multiplying by time duration we get the impulse: Time, duration,¼, turn = π / 2 * ω Impulse, average,¼, turn = mass, straight line, displacement* Radius, orbit * ω MATH FOOTPRINT FOR CALCULATING THE NON- UNIFORM ROTATIONAL TO STRAIGHT LINE COUPLED MOTION Rotor Angular Velocity at 0º, the start of straight line motion = ω,a Rotor Angular Velocity at 90º, the end of straight line motion = ω,b ω,a > ω,b Average (Mean Value) Angular velocity for the ¼ Rotor turn: ω mean, value = ( ½(ω,a + ω,b )) Squaring the mean angular velocity we get:( ½(ω,a + ω,b ))² Therefore the Average force for non uniform Rotational to Straight line Coupled motion for a drive phase (the drive phase will be presented later) is: Force, average,¼ turn, non, uniform = = mass, straight line, displacement * Radius *( ½(ω,a + ω,b ))² *2 /π Therefore by multiplying Force, average, ¼turn, non, uniform * Time, duration, ( ½(ω,a + ω,b )) turn; we get Impulse: Page -63-

6 Time, duration,¼, turn = π / (2( ½(ω,a + ω,b ))) Impulse, average,¼ turn = mass, straight line, displacement * Radius, crank * ½(ω,a+ω,b) Average angular velocity for rest of the ¾ rotor turn is a ω,b progression rising up by the multiplying ω,b with constant C2. Then slowing back down by multiplying ω,bc2 with constant C1 because of the kinetic energy flow into and out of the straight line mass motion. This principle is presented in the next picture #8: Page -64-

7 The picture #8 reveals that the drive phase impulse having a larger mechanical energy potential is ( ½(ω,a + ω,b )) average progression and is opposed by one Idle phase impulse having a (½(ω,b +ω,bc2) average progression. The ω,bc2 accounts for the kinetic energy flow from the stopping of the straight line displacing mass during the Idle Phase presented in picture#6. Thereby, the three impulses progressing for each 1/4 turn after the drive phase must be alternately subtracted and added to arrive at the exact resultant internal self contained impulse. The sum of impulses during the idle phase: impulse, idle=mass *radius*(-(½(ω,b+ω,b C2))-(½(ω,b+ω,b C2*C1)+(½(ω,b+ω,b C2²*C1)) Refined to: Impulse, idle=mass *radius*(½ω,b(-1-c2-1-c2c1+1+c2²c1)) Drive phase and Idle Phase will be defined later. The idle phase impulses from 90º to 360º can be algebraically solved to the mathematically exact: Impulse,idle=mass*radius*1/2ω,b(-1-C2-C2C1+C2²C1) C3=(-1-C2-C2C1+C2²C1) The Net Impulse is:impulse, net= mass, straight line, flywheel, displace * Radius, crank * ½(ω,a+ ω,b(1+c3)) The Self contained internal impulse is divided by the total cycle time duration to arrive at the NET Internal self contained motivating force because the total cycle time is diluting the generated impulse. Accordingly the total Cycle Time is: ¼cycle time t1=π /(ω,a + ω,b)), plus one ¼cycle time t2=π /(ω,b + ω,b * C2)) plus t3=π /(ω,b * C2+ ω,b * C2*C1)). If no new mechanical energy is induced during t4 then we add: time t4=π /(ω,b*c2*c1+ ω,b* C2*C1*C2). If new mechanical energy is induced then ω,b * C2*C1 is boosted up to ω,a then we add: t4=π /(ω,b*c2*c1+ω,a) Thereby: The effective internal motivating force, the Internal Propulsion Formula is: Force, internal, selfcontained=mass, flywheel * Radius, orbit*½(ω,a+ ω,b(1+c3))/(t1+t2+t3+t4) Thereby the self contained Inertial Propulsion motivating energy is: E=mass, flywheel*radius², orbit*½(ω,a+ ω,b(1+c3))/(t1+t2+t3+t4) Page -65-

8 In the next Diagram, the final proof of the presented math footprint for a 1/4 rotor rotation is presented. It is important to note the avalanche fashion of the nonuniform force progressing from an exponentially large value to zero. The initial exponential instantaneous force magnitude and the near straight line progression down to zero pertains to the non- uniform motion and has its root cause in the mean value theorem combined with the centripetal force having a defined value for every displacement position of the angular motion, a quadratic function of the angular speed for every angular position. This is proven with the basic calculus theorem of the secant line being always the average slope of the sinusoidal curve having its mean value always at 47º, no matter of the degree of concavity. This is proven with the congruence of the average force line cross-sectioning with the force slope line always at the vertical 47º line, independent of the degree of concavity. The force footprint above the mean value line, up to the 47º vertical line, has the identical force footprint as the force below the mean value line from 47º to 90º, therefore the mean value line in respect to displacement is valid. Accordingly: It is proven, ½ the difference of the angular velocities multiplied by mass* radius* is always representing the mean value of the impulse for a 1/4 turn rotation. The relationship between the harmonious Newtonian and non-uniform forces is also depicted with a force vector phase shift triangle graph used in electrodynamics phase shift Physics, it further proves the congruence of inertial mass motion with electrodynamics: Page -66-

9 Page -67-

10 Page -68-

11 PROOF REALITY CHECK Mean value straight line motion: Impulse = /mass 2 * Velocity, gain * Velocity, average Page 55: Harmonious mass motion; Velocity, gain, straight line, displacement = ω,a* radius = 6.28 meter/second, blue line; Velocity, Average = distance / time = 1 meter / 0.25 seconds = 4.0 meter / second Straight line displacement motion for uniform speed. 1N=0.102Kgf Impulse=0.102*1 * /(2 * 6.28 * 4.0)=0.723Kgf, seconds Non Uniform Motion compared; Velocity, gain, straight line, displacement = ω,a * radius = 6.28 meter/second, blue line; Velocity, Average = distance / time = 1 meter / seconds = 4.86 meter/sec. Straight line motion non uniform angular speed: 1N=0.102Kgf Impulse=0.102* 1 * / (2 * 6.28 * 4.86) =0.797Kgf seconds The difference between and is kgf seconds impulse magnitude. This proofs the reality that a shorter cycle time will generate a larger impulse and proves the presented Physics. The difference presented in figures page 55 is the difference between the mean value averaging calculation applying to straight line displacement inertial mass motion and the rotational to straight line coupled inertial mass motion applying the centripetal force calculation = Tangential², velocity / Radius, crank. Accordingly, the plot on page 55 proofs that the force averaging applying to a ¼ rotational turn coupled to a straight line displacement motion using a 2/π = multiplier to the maximum force at the beginning of the straight line motion relating to the average angular speed at 45º of the ¼ turn has a high degree of accuracy. Page -69-

12 THE FUNCTIONAL ELEMENTS OF THE INERTIA DRIVE The described combined effort inertial drive has seven main functional elements: 1. A pair of flywheels, for providing a rotational inertial reluctance backrest to produce a reaction less rotational force impulse. The pairs of flywheels move in alternating straight line reciprocal motion in direction of vehicular travel, and have parallel axial orientation, opposing rotations, equal peak straight line motion velocities, equal straight line stroke length and differential straight line reciprocal motion cycle times. Each flywheel has complete freewheeling freedom of rotation in relation to the propulsion device. 2. An impact rotor in axial alignment with each flywheel, for the purpose of accumulation and storing temporarily rotational kinetic energy to be used for the propulsion of the device. 3. A motive kinetic force generator in form of a motor-generator engaging with each flywheel and reciprocal with each impact rotor. The motor-generator has the purpose of energizing the impact rotor with rotational kinetic energy, while using the flywheel as a inertial backrest. The flywheel, the impact rotor and the motor-generator are assembled into an integral assembly. 4. A transmission for converting the rotation of the impact rotor into reciprocation straight line motion of the flywheel assemblies. The transmission therefore can be called a rotational-to-reciprocation transmission. For the purpose of mathematical simplicity, a complimentary cam and cam followers are used as a rotational-to-reciprocating transmission for all the following propulsion discussions, because of the simplicity of the straight line rise and fall of the straight line velocity in relation with the rotation of the impact rotor. This type of motion is also referred to as a saw-tooth motion. 5. A pair of straight line guides for guiding the flywheel assemblies in a straight line reciprocal motion. 6. A reciprocal touch friction break, for removing excess flywheel angular velocity reciprocally between the two flywheels. The touch friction break, because of Page -70-

13 reciprocal operation, therefore does not interfere with the propulsion of the device and it represents the simplest form of the device. 7. A supporting frame, for the purpose of supporting items 1 to 7. DESCRIPTION OF THE COMBINED EFFORT PROPULSION CYCLE The combined rotational and straight line motion inertial propulsion is accomplished with a four phase process. Each phase is a quarter turn of the impact rotor. The impact rotor rotation is used as a measure of reference because of the workable characteristic of the angular motion position as a reference and because of the variable character of the cycle time duration. The impact rotor direction of rotation is counter clockwise, the rotation the flywheel is clockwise. 1. Accumulation Phase: Accomplishes the accumulation of rotational kinetic energy into the impact rotor by mutual rotational reciprocal inertial exertion against the reluctance of a flywheel, by the motive force of the motor-generator. The accumulation phase thereby increases the angular velocity of the impact rotor. The utilization of the motor-generator is 1/8 of the total capacity of the motor, because of the ¼ turn of the drive phase and the reciprocal exertion between the flywheel and the impact rotor, which distributes thereby kinetic energy into both, the impact rotor and the flywheel. Thereby 1/8 of nominal rated power. 2. Drive Phase: Release of the rotational kinetic energy, accumulated in the impact rotor, into the straight line inertial kinetic energy of the flywheel and into the straight line inertial kinetic energy of the propulsion device, by mutual reciprocal separation. 3. Rotor Break Phase: Removal of excess (unused) rotational kinetic energy from the impact rotor to accomplish the angular velocity ω,b. The impact rotor break phase is an on demand function, which depends on the relative resistance of the device to motion and occurs during the end of the drive phase. The break phase is a complex vector force Page -71-

14 de-acceleration. The intensity of the break phase, in combination with the drive phase, also determines the overall gain/variance of the angular velocity of the impact rotor. 4.Idle phase: When no new energy is induced into the impact rotor, the stored rotational kinetic energy of the impact rotor will alternately flow into the straight line kinetic energy of the flywheel assembly and back into the impact rotor through the motion of the rotational-to-reciprocating transmission. The straight line reciprocating motion of the flywheel assemblies and the alternating acceleration and de-acceleration of the impact rotor is thereby an alternating feedback loop. The straight line reciprocating flywheel motion has an equal peak velocity and the straight line acceleration and de-acceleration forces of the two flywheel assemblies are in reciprocal equilibrium. Therefore no motion or vibration forces act onto the device. The idle motion frequency is preferably the maximum allowable motion frequency of the employed mechanical design. The accumulation phase and drive phase represents each one quarter turn of the impact rotor, for a total of one half cycle. The second half of the cycle are idle phases. continued next page Page -72-

15 THE MATHEMATICAL AND PHYSICS PRINCIPLES OF THE PROPULSION CYCLE The Accumulation Phase: During the accumulation phase, rotational kinetic energy is accumulated into the impact rotor, by mutual reciprocal exerting against the free wheeling rotational reluctance of the flywheel. The action of the accumulation of the rotational kinetic energy is reaction less, in relation to the device mass, due to the reciprocal action and the declining slope of the straight line velocity of the flywheel assembly, in Page -73-

16 comparison to the distance moved by the flywheel assembly and the new induced rotational kinetic energy was developed against the free wheeling reluctance of the flywheel. The declining slope is illustrated by the Cartesian coordinate in the drawing and has the effect of removing the straight line kinetic energy from the flywheel assembly mass, even when new straight line kinetic energy is introduced, and feeding the kinetic energy into the impact rotor, thereby reducing the straight line kinetic flywheel energy to zero. Such a negative slope of the velocity is the characteristic of rotational-to-reciprocating transmissions, like the crank and connecting rod, the scotch joke, the rotational cam and cam follower, to mention a few. The negative slope of the mentioned rotational-to-reciprocating transmissions is occurring during the approach to the point of no straight line motion, also referred as the approach to the top dead center or the bottom dead center of the crank shaft. It is called the dead center because no straight line motion of the piston occurs at that point. The declining slope characteristic of the crank shaft and connecting rod has the effect that the straight line moving cylinder mass, having a kinetic energy and being attached to the end of the connecting rod, is being converted to rotational kinetic energy of the rotor mass centered on the crank, at the point of top dead center. Therefore, the rotational to straight line coupled motion of the before mentioned rotational-to-reciprocating transmissions employs a negative feedback loop, feeding and depleting one form of kinetic energy, straight line or rotational, into another form of kinetic energy, rotational or straight line. The conservation of kinetic energy applies also to any new kinetic energy introduced into the system at any point of the motion rotation. And it can be further concluded that the action of the accumulation phase has no net kinetic effect on the device mass due to the equal action and reaction of the all the straight line forces at play and the fact that all straight line kinetic energy has been feed into the impact rotor at the end of the accumulation phase. Thereby one can conclude that the accumulation phase is complying with, and is working with, the principle of conservation of kinetic energy and the conservation of momentum. Ref. Kurt Gieck Engineering Formulas P.10; epi-eng.com. The next Vector plot further explains the Drive Phase Force distribution with Vectors. Vector A is equal to Vector B because the tangential acceleration Vector C is equal the Flywheel acceleration Vector D. Therefore a net Zero Force. Page -74-

17 The Accumulation Vector plot: Page -75-

18 The Drive Phase: The drive phase is accomplished by releasing the accumulated rotational kinetic energy of the impact rotor into the device mass, like a spinning yoyo releases its rotational kinetic energy into very fast acting straight line motion. The drive phase is a reciprocal impulse by mutual reciprocal separation, distributing the accumulated rotational kinetic energy of the impact rotor into straight line kinetic energy of the flywheel and straight line kinetic energy of the device mass respectively. The drive phase can thereby considered to be a distribution of kinetic energy, conserving the Page -76-

19 kinetic energy of the impact rotor into the kinetic energy of the device and into the flywheel assembly respectively. The distribution ratio is the reverse ratio of the device mass to the flywheel assembly mass, which will be mathematically developed in the math section. While one flywheel assembly is operating the drive phase with a high impact rotor energy level, the second flywheel assembly is operating the idle phase with an idle impact rotor energy level. This energy differential causes a balance beam weight scale tip in favor of the flywheel operating the drive phase, thereby investing partially the impact rotor stored kinetic energy into the device, motivating the device forward. The amount of kinetic energy invested into the device, is then discounted from the amount of kinetic energy necessary to be absorbed by the impact rotor break phase, to accomplish the regular peak straight line flywheel assembly velocity. While the accumulation phase employs equal reciprocal forces. The drive phase, in comparison, only has extending forces acting straight line against the device and the flywheel assembly. Thereby, causing an impulse by separation with the kinetic energy of the impact rotor as the motivating energy. Therefore, the action of the forces are causing the reaction less propulsion of the device. The distribution of rotational kinetic energy, made available in the impact rotors by the accumulation phase, is distributed according the ratio of masses of the device and flywheels. From the indicated formula for Kinetic Energy the following plot of the Velocities is generated. Next is picture #9: Page -77-

20 The above picture #9 diagram illustrates the force foot-print and the reversal of force foot-print between the idle phase and drive phase. During the idle phase the highest intensity of force is at the end of the idle phase. During the drive phase the highest intensity of force is at the beginning of the drive phase with a much larger force foot-print due to the much larger acceleration because force = mass * velocity², change / 2 * distance, change. The higher initial force foot-print and power foot-print is causing a force imbalance which is motivating the device forward. The motivation of the device starts a dynamic process which depletes the larger drive phase impact rotor kinetic energy faster then the depletion of the idle phase. In conclusion: Only the flywheel assembly with the higher impact rotor initial kinetic energy is distributing kinetic energy into the device in direction of vehicular travel, Page -78-

21 which is the impact rotor delivering the drive phase. The drive phase starts a dynamic process of impact rotor accelerated kinetic energy depletion and resultant straight line kinetic energy gain of the device, due to the initial force imbalance between the drive phase and the idle phase. The drive phase is complying with the principle of conservation of energy and the conservation of momentum because the kinetic energy of the drive phase impact rotor is distributed into the device and into the flywheel assembly. The distribution ratio is the reversed ratio of the device mass to the flywheel assembly mass. Continued next page: Page -79-

22 The Impact Rotor Break Phase: The impact rotor break phase removes excess kinetic energy from the impact rotor before the flywheel reaches the regular peak straight line velocity during the drive phase. It can be therefore assumed to be part of the drive phase action. Page -80-

23 Only additional break de-acceleration vector forces are added with complex vector math to the declining straight line centripetal forces because all forces are reciprocal rotational forces between the impact rotor and the flywheel. This means the resultant average complex vector impulse is larger then the regular repeating peak straight line flywheel velocity times the flywheel mass. The break action is activated by reversing the polarity of the motor-generator, whereby the motor-generator acts as a generator which removes rotational kinetic energy from the impact rotor before it reaches the straight line mass of the flywheel assembly. Thereby one can conclude that the break phase works with and complies with the principle of conservation of energy and the conservation of momentum. The break phase break energy flow is the most intense during the stall of the vehicular motion due to gravity or obstruction, subsequently, the average complex vector force addition has he highest magnitude. With a further analysis of the break action, it can be rationalized that the break action makes the subsequent following idle phase to have the same regular Idle impulse intensity. Thereby, the drive phase has a large impulse by separation force foot-print at the beginning with the same subsequent idle phase impulse intensity at the end. Thereby the averages Drive Phase impulse is larger then the Idle Phase because of the differential in time duration. Continued next page: Page -81-

24 The Idle Phase: The motion of flywheel 1 and flywheel 2 are in an opposing alternating motion and thereby all acceleration and de-acceleration forces are canceling to a sum of ZERO as long as no NEW kinetic energy is induced into the system, as evident in the diagram above. The next two graph illustrates the dynamic process of the propulsion cycle considering the shifting of the reference frame using the principle of negative feedback. Page -82-

25 The gain of the device velocity is feed back reducing the flywheel effective internal self-contained force producing the reduced resulting force. The feedback logic describes the inclusion of gravitational pull into the reference frame formula thereby determining the maximum incline climbing ability. Page -83-

26 Page -84-

27 Page -85-

Study Guide Solutions

Study Guide Solutions Study Guide Solutions Table of Contents Chapter 1 A Physics Toolkit... 3 Vocabulary Review... 3 Section 1.1: Mathematics and Physics... 3 Section 1.2: Measurement... 3 Section 1.3: Graphing Data... 4 Chapter

More information

DEPARTMENT OF MECHANICAL ENGINEERING Dynamics of Machinery. Submitted

DEPARTMENT OF MECHANICAL ENGINEERING Dynamics of Machinery. Submitted DEPARTMENT OF MECHANICAL ENGINEERING Dynamics of Machinery Submitted 1 UNIT I - Force Analysis INDEX (1) Introduction (2) Newton s Law (3) Types of force Analysis (4) Principle of Super Position (5) Free

More information

The... of a particle is defined as its change in position in some time interval.

The... of a particle is defined as its change in position in some time interval. Distance is the. of a path followed by a particle. Distance is a quantity. The... of a particle is defined as its change in position in some time interval. Displacement is a.. quantity. The... of a particle

More information

Physics I. Unit 1 Methods in Science (Systems of Units) Competencies (Do) Students should be able to demonstrate scientific methods.

Physics I. Unit 1 Methods in Science (Systems of Units) Competencies (Do) Students should be able to demonstrate scientific methods. Physics I Unit 1 Methods in Science (Systems of Units) Estimated Time Frame Big Ideas for Units 10 Days Tools are needed for the study of Physics, such as measurement, conversions, significant figures,

More information

= o + t = ot + ½ t 2 = o + 2

= o + t = ot + ½ t 2 = o + 2 Chapters 8-9 Rotational Kinematics and Dynamics Rotational motion Rotational motion refers to the motion of an object or system that spins about an axis. The axis of rotation is the line about which the

More information

Big Idea 4: Interactions between systems can result in changes in those systems. Essential Knowledge 4.D.1: Torque, angular velocity, angular

Big Idea 4: Interactions between systems can result in changes in those systems. Essential Knowledge 4.D.1: Torque, angular velocity, angular Unit 7: Rotational Motion (angular kinematics, dynamics, momentum & energy) Name: Big Idea 3: The interactions of an object with other objects can be described by forces. Essential Knowledge 3.F.1: Only

More information

AP Physics QUIZ Chapters 10

AP Physics QUIZ Chapters 10 Name: 1. Torque is the rotational analogue of (A) Kinetic Energy (B) Linear Momentum (C) Acceleration (D) Force (E) Mass A 5-kilogram sphere is connected to a 10-kilogram sphere by a rigid rod of negligible

More information

AP PHYSICS 1 Learning Objectives Arranged Topically

AP PHYSICS 1 Learning Objectives Arranged Topically AP PHYSICS 1 Learning Objectives Arranged Topically with o Big Ideas o Enduring Understandings o Essential Knowledges o Learning Objectives o Science Practices o Correlation to Knight Textbook Chapters

More information

Rotational Dynamics Smart Pulley

Rotational Dynamics Smart Pulley Rotational Dynamics Smart Pulley The motion of the flywheel of a steam engine, an airplane propeller, and any rotating wheel are examples of a very important type of motion called rotational motion. If

More information

CHAPTER 8: ROTATIONAL OF RIGID BODY PHYSICS. 1. Define Torque

CHAPTER 8: ROTATIONAL OF RIGID BODY PHYSICS. 1. Define Torque 7 1. Define Torque 2. State the conditions for equilibrium of rigid body (Hint: 2 conditions) 3. Define angular displacement 4. Define average angular velocity 5. Define instantaneous angular velocity

More information

The principle of the flywheel is found before the many centuries ago in spindle and the potter's wheel.

The principle of the flywheel is found before the many centuries ago in spindle and the potter's wheel. TOM Fly Wheel Mechanical Engineering Department The principle of the flywheel is found before the many centuries ago in spindle and the potter's wheel. A heavy-rimmed rotating wheel used to minimize variations

More information

1 2 Models, Theories, and Laws 1.5 Distinguish between models, theories, and laws 2.1 State the origin of significant figures in measurement

1 2 Models, Theories, and Laws 1.5 Distinguish between models, theories, and laws 2.1 State the origin of significant figures in measurement Textbook Correlation Textbook Correlation Physics 1115/2015 Chapter 1 Introduction, Measurement, Estimating 1.1 Describe thoughts of Aristotle vs. Galileo in describing motion 1 1 Nature of Science 1.2

More information

Chapter 9-10 Test Review

Chapter 9-10 Test Review Chapter 9-10 Test Review Chapter Summary 9.2. The Second Condition for Equilibrium Explain torque and the factors on which it depends. Describe the role of torque in rotational mechanics. 10.1. Angular

More information

Honors Physics Review

Honors Physics Review Honors Physics Review Work, Power, & Energy (Chapter 5) o Free Body [Force] Diagrams Energy Work Kinetic energy Gravitational Potential Energy (using g = 9.81 m/s 2 ) Elastic Potential Energy Hooke s Law

More information

Course Name: AP Physics. Team Names: Jon Collins. Velocity Acceleration Displacement

Course Name: AP Physics. Team Names: Jon Collins. Velocity Acceleration Displacement Course Name: AP Physics Team Names: Jon Collins 1 st 9 weeks Objectives Vocabulary 1. NEWTONIAN MECHANICS and lab skills: Kinematics (including vectors, vector algebra, components of vectors, coordinate

More information

Physics for Scientists and Engineers 4th Edition, 2017

Physics for Scientists and Engineers 4th Edition, 2017 A Correlation of Physics for Scientists and Engineers 4th Edition, 2017 To the AP Physics C: Mechanics Course Descriptions AP is a trademark registered and/or owned by the College Board, which was not

More information

Phys101 Lectures 19, 20 Rotational Motion

Phys101 Lectures 19, 20 Rotational Motion Phys101 Lectures 19, 20 Rotational Motion Key points: Angular and Linear Quantities Rotational Dynamics; Torque and Moment of Inertia Rotational Kinetic Energy Ref: 10-1,2,3,4,5,6,8,9. Page 1 Angular Quantities

More information

OUTCOME 1 MECHANICAL POWER TRANSMISSION SYSTEMS TUTORIAL 3 FLYWHEELS. On completion of this short tutorial you should be able to do the following.

OUTCOME 1 MECHANICAL POWER TRANSMISSION SYSTEMS TUTORIAL 3 FLYWHEELS. On completion of this short tutorial you should be able to do the following. Unit 60: Dynamics of Machines Unit code: H/60/4 QCF Level:4 Credit value:5 OUTCOME MECHANCAL POWER TRANSMSSON SYSTEMS TUTORAL 3 FLYWHEELS. Be able to determine the kinetic and dynamic parameters of mechanical

More information

Physics 121, Final Exam Do not turn the pages of the exam until you are instructed to do so.

Physics 121, Final Exam Do not turn the pages of the exam until you are instructed to do so. , Final Exam Do not turn the pages of the exam until you are instructed to do so. You are responsible for reading the following rules carefully before beginning. Exam rules: You may use only a writing

More information

Chapter 8: Momentum, Impulse, & Collisions. Newton s second law in terms of momentum:

Chapter 8: Momentum, Impulse, & Collisions. Newton s second law in terms of momentum: linear momentum: Chapter 8: Momentum, Impulse, & Collisions Newton s second law in terms of momentum: impulse: Under what SPECIFIC condition is linear momentum conserved? (The answer does not involve collisions.)

More information

UNIT 4 FLYWHEEL 4.1 INTRODUCTION 4.2 DYNAMICALLY EQUIVALENT SYSTEM. Structure. Objectives. 4.1 Introduction

UNIT 4 FLYWHEEL 4.1 INTRODUCTION 4.2 DYNAMICALLY EQUIVALENT SYSTEM. Structure. Objectives. 4.1 Introduction UNIT 4 FLYWHEEL Structure 4.1 Introduction Objectives 4. Dynamically Equivalent System 4.3 Turning Moment Diagram 4.3.1 Turning Moment Diagram of a Single Cylinder 4-storke IC Engine 4.3. Turning Moment

More information

Lecture PowerPoints. Chapter 10 Physics for Scientists and Engineers, with Modern Physics, 4 th edition Giancoli

Lecture PowerPoints. Chapter 10 Physics for Scientists and Engineers, with Modern Physics, 4 th edition Giancoli Lecture PowerPoints Chapter 10 Physics for Scientists and Engineers, with Modern Physics, 4 th edition Giancoli 2009 Pearson Education, Inc. This work is protected by United States copyright laws and is

More information

3. Kinetics of Particles

3. Kinetics of Particles 3. Kinetics of Particles 3.1 Force, Mass and Acceleration 3.3 Impulse and Momentum 3.4 Impact 1 3.1 Force, Mass and Acceleration We draw two important conclusions from the results of the experiments. First,

More information

Dynamics. Dynamics of mechanical particle and particle systems (many body systems)

Dynamics. Dynamics of mechanical particle and particle systems (many body systems) Dynamics Dynamics of mechanical particle and particle systems (many body systems) Newton`s first law: If no net force acts on a body, it will move on a straight line at constant velocity or will stay at

More information

Game Physics. Game and Media Technology Master Program - Utrecht University. Dr. Nicolas Pronost

Game Physics. Game and Media Technology Master Program - Utrecht University. Dr. Nicolas Pronost Game and Media Technology Master Program - Utrecht University Dr. Nicolas Pronost Essential physics for game developers Introduction The primary issues Let s move virtual objects Kinematics: description

More information

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Common Quiz Mistakes / Practice for Final Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A ball is thrown directly upward and experiences

More information

Lecture 3. Rotational motion and Oscillation 06 September 2018

Lecture 3. Rotational motion and Oscillation 06 September 2018 Lecture 3. Rotational motion and Oscillation 06 September 2018 Wannapong Triampo, Ph.D. Angular Position, Velocity and Acceleration: Life Science applications Recall last t ime. Rigid Body - An object

More information

Plane Motion of Rigid Bodies: Forces and Accelerations

Plane Motion of Rigid Bodies: Forces and Accelerations Plane Motion of Rigid Bodies: Forces and Accelerations Reference: Beer, Ferdinand P. et al, Vector Mechanics for Engineers : Dynamics, 8 th Edition, Mc GrawHill Hibbeler R.C., Engineering Mechanics: Dynamics,

More information

COLLEGE OF FOUNDATION AND GENERAL STUDIES PUTRAJAYA CAMPUS FINAL EXAMINATION TRIMESTER I 2012/2013

COLLEGE OF FOUNDATION AND GENERAL STUDIES PUTRAJAYA CAMPUS FINAL EXAMINATION TRIMESTER I 2012/2013 COLLEGE OF FOUNDATION AND GENERAL STUDIES PUTRAJAYA CAMPUS FINAL EXAMINATION TRIMESTER I 2012/2013 PROGRAMME SUBJECT CODE SUBJECT : Foundation in Engineering : PHYF115 : Physics I DATE : September 2012

More information

Section 1: Measuring Motion. Preview Key Ideas Bellringer Observing Motion Speed and Velocity Calculating Speed Math Skills Graphing Motion

Section 1: Measuring Motion. Preview Key Ideas Bellringer Observing Motion Speed and Velocity Calculating Speed Math Skills Graphing Motion Section 1 Section 1: Measuring Motion Preview Key Ideas Bellringer Observing Motion Speed and Velocity Calculating Speed Math Skills Graphing Motion Section 1 Key Ideas How is a frame of reference used

More information

2007 Problem Topic Comment 1 Kinematics Position-time equation Kinematics 7 2 Kinematics Velocity-time graph Dynamics 6 3 Kinematics Average velocity

2007 Problem Topic Comment 1 Kinematics Position-time equation Kinematics 7 2 Kinematics Velocity-time graph Dynamics 6 3 Kinematics Average velocity 2007 Problem Topic Comment 1 Kinematics Position-time equation Kinematics 7 2 Kinematics Velocity-time graph Dynamics 6 3 Kinematics Average velocity Energy 7 4 Kinematics Free fall Collisions 3 5 Dynamics

More information

Physics Knowledge Organiser P8 - Forces in balance

Physics Knowledge Organiser P8 - Forces in balance Scalar and vector quantities Scalar quantities have only a magnitude. Vector quantities have a magnitude and direction. Scalar Distance Speed mass Temperature Pressure Volume Work Vector Displacement Velocity

More information

Physics Curriculum Guide for High School SDP Science Teachers

Physics Curriculum Guide for High School SDP Science Teachers Physics Curriculum Guide for High School SDP Science Teachers Please note: Pennsylvania & Next Generation Science Standards as well as Instructional Resources are found on the SDP Curriculum Engine Prepared

More information

Einstein s silence to Hermann Oberth s principle of relativistic fuelenergy Inflation and thirteen unanswered relativity questions

Einstein s silence to Hermann Oberth s principle of relativistic fuelenergy Inflation and thirteen unanswered relativity questions Einstein s silence to Hermann Oberth s principle of relativistic fuelenergy Inflation and thirteen unanswered relativity questions Abstract: The American Apollo Space Program Rocket Pioneer group member

More information

Rotational kinematics

Rotational kinematics Rotational kinematics Suppose you cut a circle out of a piece of paper and then several pieces of string which are just as long as the radius of the paper circle. If you then begin to lay these pieces

More information

UNIT 2 KINEMATICS OF LINKAGE MECHANISMS

UNIT 2 KINEMATICS OF LINKAGE MECHANISMS UNIT 2 KINEMATICS OF LINKAGE MECHANISMS ABSOLUTE AND RELATIVE VELOCITY An absolute velocity is the velocity of a point measured from a fixed point (normally the ground or anything rigidly attached to the

More information

r r Sample Final questions for PS 150

r r Sample Final questions for PS 150 Sample Final questions for PS 150 1) Which of the following is an accurate statement? A) Rotating a vector about an axis passing through the tip of the vector does not change the vector. B) The magnitude

More information

End-of-Chapter Exercises

End-of-Chapter Exercises End-of-Chapter Exercises Exercises 1 12 are conceptual questions that are designed to see if you have understood the main concepts of the chapter. 1. Figure 11.21 shows four different cases involving a

More information

AP practice ch 7-8 Multiple Choice

AP practice ch 7-8 Multiple Choice AP practice ch 7-8 Multiple Choice 1. A spool of thread has an average radius of 1.00 cm. If the spool contains 62.8 m of thread, how many turns of thread are on the spool? "Average radius" allows us to

More information

Motion of a Point. Figure 1 Dropped vehicle is rectilinear motion with constant acceleration. Figure 2 Time and distance to reach a speed of 6 m/sec

Motion of a Point. Figure 1 Dropped vehicle is rectilinear motion with constant acceleration. Figure 2 Time and distance to reach a speed of 6 m/sec Introduction Motion of a Point In this chapter, you begin the subject of kinematics (the study of the geometry of motion) by focusing on a single point or particle. You utilize different coordinate systems

More information

Physics Revision Guide Volume 1

Physics Revision Guide Volume 1 Physics Revision Guide Volume 1 "Many people do not plan to fail, they just fail to plan!" Develop a customized success plan Create necessity in you to take action now Boost your confidence in your revision

More information

Wheel and Axle. Author: Joseph Harrison. Research Ans Aerospace Engineering 1 Expert, Monash University

Wheel and Axle. Author: Joseph Harrison. Research Ans Aerospace Engineering 1 Expert, Monash University Wheel and Axle Author: Joseph Harrison British Middle-East Center for studies & Research info@bmcsr.com http:// bmcsr.com Research Ans Aerospace Engineering 1 Expert, Monash University Introduction A solid

More information

PHYSICS 221, FALL 2010 FINAL EXAM MONDAY, DECEMBER 13, 2010

PHYSICS 221, FALL 2010 FINAL EXAM MONDAY, DECEMBER 13, 2010 PHYSICS 221, FALL 2010 FINAL EXAM MONDAY, DECEMBER 13, 2010 Name (printed): Nine-digit ID Number: Section Number: Recitation Instructor: INSTRUCTIONS: i. Put away all materials except for pens, pencils,

More information

Kinematics of. Motion. 8 l Theory of Machines

Kinematics of. Motion. 8 l Theory of Machines 8 l Theory of Machines Features 1. 1ntroduction.. Plane Motion. 3. Rectilinear Motion. 4. Curvilinear Motion. 5. Linear Displacement. 6. Linear Velocity. 7. Linear Acceleration. 8. Equations of Linear

More information

Chapter 8 Lecture Notes

Chapter 8 Lecture Notes Chapter 8 Lecture Notes Physics 2414 - Strauss Formulas: v = l / t = r θ / t = rω a T = v / t = r ω / t =rα a C = v 2 /r = ω 2 r ω = ω 0 + αt θ = ω 0 t +(1/2)αt 2 θ = (1/2)(ω 0 +ω)t ω 2 = ω 0 2 +2αθ τ

More information

8.012 Physics I: Classical Mechanics Fall 2008

8.012 Physics I: Classical Mechanics Fall 2008 MIT OpenCourseWare http://ocw.mit.edu 8.012 Physics I: Classical Mechanics Fall 2008 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms. MASSACHUSETTS INSTITUTE

More information

DYNAMICS MOMENT OF INERTIA

DYNAMICS MOMENT OF INERTIA DYNAMICS MOMENT OF INERTIA S TO SELF ASSESSMENT EXERCISE No.1 1. A cylinder has a mass of 1 kg, outer radius of 0.05 m and radius of gyration 0.03 m. It is allowed to roll down an inclined plane until

More information

Casting Physics Simplified Part Two. Frames of Reference

Casting Physics Simplified Part Two. Frames of Reference Casting Physics Simplified Part Two Part one of this paper discussed physics that applies to linear motion, i.e., motion in a straight line. This section of the paper will expand these concepts to angular

More information

6-1. Conservation law of mechanical energy

6-1. Conservation law of mechanical energy 6-1. Conservation law of mechanical energy 1. Purpose Investigate the mechanical energy conservation law and energy loss, by studying the kinetic and rotational energy of a marble wheel that is moving

More information

Tentative Physics 1 Standards

Tentative Physics 1 Standards Tentative Physics 1 Standards Mathematics MC1. Arithmetic: I can add, subtract, multiply, and divide real numbers, take their natural and common logarithms, and raise them to real powers and take real

More information

Periodic Motion. Circular Motion, Gravity, Simple Harmonic Motion

Periodic Motion. Circular Motion, Gravity, Simple Harmonic Motion Periodic Motion Circular Motion, Gravity, Simple Harmonic Motion Periodic Motion I. Circular Motion - kinematics & centripetal acceleration - dynamics & centripetal force - centrifugal force II. Universal

More information

l Every object in a state of uniform motion tends to remain in that state of motion unless an

l Every object in a state of uniform motion tends to remain in that state of motion unless an Motion and Machine Unit Notes DO NOT LOSE! Name: Energy Ability to do work To cause something to change move or directions Energy cannot be created or destroyed, but transferred from one form to another.

More information

PHYSICS 221 SPRING 2014

PHYSICS 221 SPRING 2014 PHYSICS 221 SPRING 2014 EXAM 2: April 3, 2014 8:15-10:15pm Name (printed): Recitation Instructor: Section # INSTRUCTIONS: This exam contains 25 multiple-choice questions plus 2 extra credit questions,

More information

AP Physics C Summer Assignment Kinematics

AP Physics C Summer Assignment Kinematics AP Physics C Summer Assignment Kinematics 1. A car whose speed is 20 m/s passes a stationary motorcycle which immediately gives chase with a constant acceleration of 2.4 m/s 2. a. How far will the motorcycle

More information

31 ROTATIONAL KINEMATICS

31 ROTATIONAL KINEMATICS 31 ROTATIONAL KINEMATICS 1. Compare and contrast circular motion and rotation? Address the following Which involves an object and which involves a system? Does an object/system in circular motion have

More information

Chapter 6 Dynamics I: Motion Along a Line

Chapter 6 Dynamics I: Motion Along a Line Chapter 6 Dynamics I: Motion Along a Line Chapter Goal: To learn how to solve linear force-and-motion problems. Slide 6-2 Chapter 6 Preview Slide 6-3 Chapter 6 Preview Slide 6-4 Chapter 6 Preview Slide

More information

EDEXCEL NATIONAL CERTIFICATE/DIPLOMA ADVANCED MECHANICAL PRINCIPLES AND APPLICATIONS UNIT 18 NQF LEVEL 3

EDEXCEL NATIONAL CERTIFICATE/DIPLOMA ADVANCED MECHANICAL PRINCIPLES AND APPLICATIONS UNIT 18 NQF LEVEL 3 EDEXCEL NATIONAL CERTIFICATE/DIPLOMA ADVANCED MECHANICAL PRINCIPLES AND APPLICATIONS UNIT 18 NQF LEVEL 3 OUTCOME 3 BE ABLE TO DETERMINE RELATIVE AND RESULTANT VELOCITY IN ENGINEERING SYSTEMS Resultant

More information

Rotation. PHYS 101 Previous Exam Problems CHAPTER

Rotation. PHYS 101 Previous Exam Problems CHAPTER PHYS 101 Previous Exam Problems CHAPTER 10 Rotation Rotational kinematics Rotational inertia (moment of inertia) Kinetic energy Torque Newton s 2 nd law Work, power & energy conservation 1. Assume that

More information

PSI AP Physics I Rotational Motion

PSI AP Physics I Rotational Motion PSI AP Physics I Rotational Motion Multiple-Choice questions 1. Which of the following is the unit for angular displacement? A. meters B. seconds C. radians D. radians per second 2. An object moves from

More information

PSI AP Physics I Rotational Motion

PSI AP Physics I Rotational Motion PSI AP Physics I Rotational Motion Multiple-Choice questions 1. Which of the following is the unit for angular displacement? A. meters B. seconds C. radians D. radians per second 2. An object moves from

More information

Sample Final Exam 02 Physics 106 (Answers on last page)

Sample Final Exam 02 Physics 106 (Answers on last page) Sample Final Exam 02 Physics 106 (Answers on last page) Name (Print): 4 Digit ID: Section: Instructions: 1. There are 30 multiple choice questions on the test. There is no penalty for guessing, so you

More information

Rotational Motion Examples:

Rotational Motion Examples: Rotational Motion Examples: 1. A 60. cm diameter wheel rotates through 50. rad. a. What distance will it move? b. How many times will the wheel rotate in this time? 2. A saw blade is spinning at 2000.

More information

Axis Balanced Forces Centripetal force. Change in velocity Circular Motion Circular orbit Collision. Conservation of Energy

Axis Balanced Forces Centripetal force. Change in velocity Circular Motion Circular orbit Collision. Conservation of Energy When something changes its velocity The rate of change of velocity of a moving object. Can result from a change in speed and/or a change in direction On surface of earth, value is 9.8 ms-²; increases nearer

More information

Multiple Choice -- TEST III

Multiple Choice -- TEST III Multiple Choice Test III--Classical Mechanics Multiple Choice -- TEST III 1) n atomic particle whose mass is 210 atomic mass units collides with a stationary atomic particle B whose mass is 12 atomic mass

More information

Name: Date: Period: AP Physics C Rotational Motion HO19

Name: Date: Period: AP Physics C Rotational Motion HO19 1.) A wheel turns with constant acceleration 0.450 rad/s 2. (9-9) Rotational Motion H19 How much time does it take to reach an angular velocity of 8.00 rad/s, starting from rest? Through how many revolutions

More information

Physics General Physics. Lecture 14 Rotational Motion. Fall 2016 Semester Prof. Matthew Jones

Physics General Physics. Lecture 14 Rotational Motion. Fall 2016 Semester Prof. Matthew Jones Physics 22000 General Physics Lecture 14 Rotational Motion Fall 2016 Semester Prof. Matthew Jones 1 2 Static Equilibrium In the last lecture, we learned about the torque that a force can exert on a rigid

More information

Topic 1: Newtonian Mechanics Energy & Momentum

Topic 1: Newtonian Mechanics Energy & Momentum Work (W) the amount of energy transferred by a force acting through a distance. Scalar but can be positive or negative ΔE = W = F! d = Fdcosθ Units N m or Joules (J) Work, Energy & Power Power (P) the

More information

Chapter 19 Angular Momentum

Chapter 19 Angular Momentum Chapter 19 Angular Momentum Chapter 19 Angular Momentum... 2 19.1 Introduction... 2 19.2 Angular Momentum about a Point for a Particle... 3 19.2.1 Angular Momentum for a Point Particle... 3 19.2.2 Right-Hand-Rule

More information

Advanced Higher Physics. Rotational motion

Advanced Higher Physics. Rotational motion Wallace Hall Academy Physics Department Advanced Higher Physics Rotational motion Problems AH Physics: Rotational Motion 1 2013 Data Common Physical Quantities QUANTITY SYMBOL VALUE Gravitational acceleration

More information

Wiley Plus. Final Assignment (5) Is Due Today: Before 11 pm!

Wiley Plus. Final Assignment (5) Is Due Today: Before 11 pm! Wiley Plus Final Assignment (5) Is Due Today: Before 11 pm! Final Exam Review December 9, 009 3 What about vector subtraction? Suppose you are given the vector relation A B C RULE: The resultant vector

More information

STATICS & DYNAMICS. Engineering Mechanics. Gary L. Gray. Francesco Costanzo. Michael E. Plesha. University of Wisconsin-Madison

STATICS & DYNAMICS. Engineering Mechanics. Gary L. Gray. Francesco Costanzo. Michael E. Plesha. University of Wisconsin-Madison Engineering Mechanics STATICS & DYNAMICS SECOND EDITION Francesco Costanzo Department of Engineering Science and Mechanics Penn State University Michael E. Plesha Department of Engineering Physics University

More information

2010 F=ma Solutions. that is

2010 F=ma Solutions. that is 2010 F=ma Solutions 1. The slope of a position vs time graph gives the velocity of the object So you can see that the position from B to D gives the steepest slope, so the speed is the greatest in that

More information

Dr. Galeazzi PHY205 Final Exam December 12, I.D. number:

Dr. Galeazzi PHY205 Final Exam December 12, I.D. number: Signature: I.D. number: Name: 1 You must do the first two problems which consists of five multiple choice questions each. Then you must do four of the five long problems numbered 3-7. Clearly cross out

More information

PHYSICS 221 Fall 2016 EXAM 2: November 02, :15pm 10:15pm. Name (printed): Recitation Instructor: Section #:

PHYSICS 221 Fall 2016 EXAM 2: November 02, :15pm 10:15pm. Name (printed): Recitation Instructor: Section #: PHYSICS 221 Fall 2016 EXAM 2: November 02, 2016 8:15pm 10:15pm Name (printed): Recitation Instructor: Section #: INSTRUCTIONS: This exam contains 25 multiple-choice questions, plus 2 extra-credit questions,

More information

Test 7 wersja angielska

Test 7 wersja angielska Test 7 wersja angielska 7.1A One revolution is the same as: A) 1 rad B) 57 rad C) π/2 rad D) π rad E) 2π rad 7.2A. If a wheel turns with constant angular speed then: A) each point on its rim moves with

More information

AP Physics Free Response Practice Dynamics

AP Physics Free Response Practice Dynamics AP Physics Free Response Practice Dynamics 14) In the system shown above, the block of mass M 1 is on a rough horizontal table. The string that attaches it to the block of mass M 2 passes over a frictionless

More information

Practice 2nd test 123

Practice 2nd test 123 Practice 2nd test 123 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Rupel pushes a box 5.00 m by applying a 25.0-N horizontal force. What work does she

More information

Question: Are distance and time important when describing motion? DESCRIBING MOTION. Motion occurs when an object changes position relative to a.

Question: Are distance and time important when describing motion? DESCRIBING MOTION. Motion occurs when an object changes position relative to a. Question: Are distance and time important when describing motion? DESCRIBING MOTION Motion occurs when an object changes position relative to a. DISTANCE VS. DISPLACEMENT Distance Displacement distance

More information

CONSERVATION OF ANGULAR MOMENTUM

CONSERVATION OF ANGULAR MOMENTUM CONSERVATION OF ANGULAR MOMENTUM Introduction Picture 1. Animation Two weights connected to pistons. Hydraulic machinery (not shown) pulls the weights closer to the center of rotation, causing angular

More information

https://njctl.org/courses/science/ap-physics-c-mechanics/attachments/summerassignment-3/

https://njctl.org/courses/science/ap-physics-c-mechanics/attachments/summerassignment-3/ AP Physics C Summer Assignment 2017 1. Complete the problem set that is online, entitled, AP C Physics C Summer Assignment 2017. I also gave you a copy of the problem set. You may work in groups as a matter

More information

Rolling, Torque & Angular Momentum

Rolling, Torque & Angular Momentum PHYS 101 Previous Exam Problems CHAPTER 11 Rolling, Torque & Angular Momentum Rolling motion Torque Angular momentum Conservation of angular momentum 1. A uniform hoop (ring) is rolling smoothly from the

More information

the rate of change of velocity with time a graphical representation of the distribution of ages within a population

the rate of change of velocity with time a graphical representation of the distribution of ages within a population Glossary acceleration accuracy age-structure diagram alternative hypothesis angular acceleration angular momentum best-fit line buoyant force capacitor carrying capacity the rate of change of velocity

More information

Chapter 9: Rotational Dynamics Tuesday, September 17, 2013

Chapter 9: Rotational Dynamics Tuesday, September 17, 2013 Chapter 9: Rotational Dynamics Tuesday, September 17, 2013 10:00 PM The fundamental idea of Newtonian dynamics is that "things happen for a reason;" to be more specific, there is no need to explain rest

More information

Physics C: Mechanics

Physics C: Mechanics Physics C: Mechanics 2013 2014 PISCATAWAY TOWNSHIP SCHOOLS COURSE SYLLABUS Mr. Rohan Gokhale rgokhale@pway.org www.piscatawayschools.org/phs Brief Description of Course The AP Physics course is a full

More information

Rotational Kinematics and Dynamics. UCVTS AIT Physics

Rotational Kinematics and Dynamics. UCVTS AIT Physics Rotational Kinematics and Dynamics UCVTS AIT Physics Angular Position Axis of rotation is the center of the disc Choose a fixed reference line Point P is at a fixed distance r from the origin Angular Position,

More information

SCHOOL OF COMPUTING, ENGINEERING AND MATHEMATICS SEMESTER 1 EXAMINATIONS 2012/2013 XE121. ENGINEERING CONCEPTS (Test)

SCHOOL OF COMPUTING, ENGINEERING AND MATHEMATICS SEMESTER 1 EXAMINATIONS 2012/2013 XE121. ENGINEERING CONCEPTS (Test) s SCHOOL OF COMPUTING, ENGINEERING AND MATHEMATICS SEMESTER EXAMINATIONS 202/203 XE2 ENGINEERING CONCEPTS (Test) Time allowed: TWO hours Answer: Attempt FOUR questions only, a maximum of TWO questions

More information

. d. v A v B. e. none of these.

. d. v A v B. e. none of these. General Physics I Exam 3 - Chs. 7,8,9 - Momentum, Rotation, Equilibrium Oct. 28, 2009 Name Rec. Instr. Rec. Time For full credit, make your work clear to the grader. Show the formulas you use, the essential

More information

TOPIC D: ROTATION EXAMPLES SPRING 2018

TOPIC D: ROTATION EXAMPLES SPRING 2018 TOPIC D: ROTATION EXAMPLES SPRING 018 Q1. A car accelerates uniformly from rest to 80 km hr 1 in 6 s. The wheels have a radius of 30 cm. What is the angular acceleration of the wheels? Q. The University

More information

AP Physics 1 Lesson 9 Homework Outcomes. Name

AP Physics 1 Lesson 9 Homework Outcomes. Name AP Physics 1 Lesson 9 Homework Outcomes Name Date 1. Define uniform circular motion. 2. Determine the tangential velocity of an object moving with uniform circular motion. 3. Determine the centripetal

More information

Please Visit us at:

Please Visit us at: Q # 1. What do you know about the circular motion? CIRCULAR MOTION Ans. When a body is moving in a circle, its motion is called circular motion. Q # 2. Define the term angular displacement. Also describe

More information

AP Physics I Summer Work

AP Physics I Summer Work AP Physics I Summer Work 2018 (20 points) Please complete the following set of questions and word problems. Answers will be reviewed in depth during the first week of class followed by an assessment based

More information

Static Equilibrium, Gravitation, Periodic Motion

Static Equilibrium, Gravitation, Periodic Motion This test covers static equilibrium, universal gravitation, and simple harmonic motion, with some problems requiring a knowledge of basic calculus. Part I. Multiple Choice 1. 60 A B 10 kg A mass of 10

More information

PHYSICS 111 SPRING EXAM 2: March 8, 2016; 8:15-9:45 pm

PHYSICS 111 SPRING EXAM 2: March 8, 2016; 8:15-9:45 pm PHYSICS 111 SPRING 2016 EXAM 2: March 8, 2016; 8:15-9:45 pm Name (printed): Recitation Instructor: Section # INSTRUCTIONS: This exam contains 20 multiple-choice questions plus 1 extra credit question,

More information

Use a BLOCK letter to answer each question: A, B, C, or D (not lower case such a b or script such as D)

Use a BLOCK letter to answer each question: A, B, C, or D (not lower case such a b or script such as D) Physics 23 Spring 212 Answer Sheet Print LAST Name: Rec Sec Letter EM Mini-Test First Name: Recitation Instructor & Final Exam Student ID: Gently remove this page from your exam when you begin. Write clearly

More information

We define angular displacement, θ, and angular velocity, ω. What's a radian?

We define angular displacement, θ, and angular velocity, ω. What's a radian? We define angular displacement, θ, and angular velocity, ω Units: θ = rad ω = rad/s What's a radian? Radian is the ratio between the length of an arc and its radius note: counterclockwise is + clockwise

More information

AP Physics II Summer Packet

AP Physics II Summer Packet Name: AP Physics II Summer Packet Date: Period: Complete this packet over the summer, it is to be turned it within the first week of school. Show all work were needed. Feel free to use additional scratch

More information

( m/s) 2 4(4.9 m/s 2 )( 52.7 m)

( m/s) 2 4(4.9 m/s 2 )( 52.7 m) Version 072 idterm 2 OConnor (05141) 1 This print-out should have 18 questions ultiple-choice questions may continue on the next column or page find all choices before answering V1:1, V2:1, V3:3, V4:5,

More information

( m/s) 2 4(4.9 m/s 2 )( 53.2 m)

( m/s) 2 4(4.9 m/s 2 )( 53.2 m) Version 074 idterm 2 OConnor (05141) 1 This print-out should have 18 questions ultiple-choice questions may continue on the next column or page find all choices before answering V1:1, V2:1, V3:3, V4:5,

More information

1 Physics Level I. Concepts Competencies Essential Questions Standards / Eligible Content

1 Physics Level I. Concepts Competencies Essential Questions Standards / Eligible Content Math Review Concepts Competencies Essential Questions Standards / Eligible A. Math Review 1. Accuracy & Precision 2. Quantitative Measurement 3. Scientific Notation 4. Algebraic Distributing & Factoring

More information

Force in Mechanical Systems. Overview

Force in Mechanical Systems. Overview Force in Mechanical Systems Overview Force in Mechanical Systems What is a force? Created by a push/pull How is a force transmitted? For example by: Chains and sprockets Belts and wheels Spur gears Rods

More information