# Physics. Assignment-1(UNITS AND MEASUREMENT)

Size: px
Start display at page:

Transcription

1 Assignment-1(UNITS AND MEASUREMENT) 1. Define physical quantity and write steps for measurement. 2. What are fundamental units and derived units? 3. List the seven basic and two supplementary physical quantities, their units and symbol in S.I. system. 4. Define dimensions, dimensional formula and dimensional equation. 5. Name various applications of dimensional analysis. 6. State principle of homogeneity of dimensions. 7. Give limitations of method of dimensions. 8. Check the correctness of F= m.a. 9. Check the dimensional consistency of the equation, FS= 1/2(mv 2 ) - mgh), where S is distance moved, and v is final velocity of body of mass m and F is the force acting on it. 10. Convert an acceleration of 100 m/s 2 into Km/hr Convert a velocity of 72 km/hr into m/s with the help of dimensions. 12. Express the power of 100 watt in c.g.s. 13. Convert one joule into erg using the dimensional analysis. 14. Convert one Newton into dynes using the method of dimensions Section-C (Long answer Type) 15. Write the dimensional formula of physical quantities viz. area, volume, velocity or speed, acceleration, momentum, force, impulse, work, power, energy, surface tension, coefficient of viscosity, stress and strain. 16. The time period of oscillation of a simple pendulum depends upon mass of bob (m); length of string (I); acceleration due to gravity (g). Derive a relation for the time period (t) by using the method of dimension. 17. Pressure (P) of a liquid filled in tank depends upon height of column (h), density of liquid (p) and acceleration due to gravity (g). Derive a formula for pressure using the method of dimensions. 1

2 Assignment-2(MOTION IN A PLANE) Section- A (Very Short Answer Type) 1. What is the difference between vector and scalar quantities? 2. Is the magnitude of ( + ) same as that of ( + ). 3. Is the magnitude of ( - ) same as that of ( - ). 4. Under what condition the sum and difference of two vectors will be equal in magnitude? 5. Force F and displacement s both are vector quantities. Which type is the quantity work? 6. Two non zero vectors and are such that (a). = 0, (b). = AB. What information do we get about and in each case? 7. When is the sum of two vectors maximum and when minimum. Section- B (Short Answer Type) 8. A body, acted upon by a force of 50 Newton is displaced through a distance of 10 metre in a direction making an angle of 60 with the force. Calculate the work done by the force. 9. The sum and difference of two vectors A and are mutually perpendicular to each other. Prove that both the vectors are equal in magnitude. 10. The sum and the difference of two vectors are equal in magnitude: + = -. Prove that the vectors A and B are perpendicular to each other. 11. Prove that vectors = i + 2j + 3k and = 2i- j are perpendicular to each other. 12. Two vectors and are added. Prove that the magnitude of the resultant vector cannot be greater ( + ) and smaller than ( - ) or ( - ). 13. Find the value of p such that the two vectors = 2i+2j+pk and = 2i-3j+k are mutually perpendicular. 14. = 3i + 4j and = 12i- 5j, determine (i) magnitude of, (ii) value of Find the unit vector parallel to the resultant of the vectors =2i-6j-3k and = 4i+3j-k. 16. Find the scalar and vector products of two vectors: =3i-4j+5k and = -2i+j-3k. 17. Show that the vectors = 4i-j+2k and = i+2j-k are perpendicular. Find also the vector product of these. 18. Find a unit vector perpendicular to both the vectors =3i+j+2k and = 2i-2j+4k. 2

3 19. Find a vector whose magnitude is 12 and which is perpendicular to each of the vectors, =2i+3j-2k and = 6i+5j-2k. 20. Find out the area of a parallelogram whose adjacent sides are i+2j+3k and -3i-2j+k. 21. If =A x i +A y j +A z k and = B x i + B y j + B z k, then prove that x = - x. Section- C (Long Answer Type) 22. What do you mean by scalar and vector quantities? Explain with examples. 23. What do you understand by scalar and vector product of two vectors? Write the formula, explaining the symbols used. 24. State and explain triangle law of vector addition. 25. State and explain parallelogram law of vector addition. 26. Define position, displacement, unit and zero vector with examples. Assignment-3(LAWS OF MOTION) 1. Why does the electric fan continue to rotate for some time after the current is switched off? 2. Which law of motion does give the measure of force. 3. A body is acted upon by four external forces. Can it remain at rest? 4. Define 1 Newton. 5. Define 1 dyne. 6. Define linear momentum. Write its unit. Section-B ( Short Answer Type) 7. State Newton's three laws of motion. 8. Prove that Newton's second law is the real law of motion. 9. Explain the principle of conservation of linear momentum with its application. 10. Explain the term impulse of a force. Show that the impulse given to a body is equal to change in momentum. 11. A force acts upon a body of mass 20 kg, initially at rest, for 6 seconds after which the force ceases. Now the body describes the 60 m in the next 5 seconds. Find the magnitude of the force. 12. A bullet of mass 0.04 kg moving at 90 m/s speed strikes a heavy wooden block and travels inside it a distance of 60 cm before being stopped. Find the average resistive force on the bullet exerted by the block. 13. A constant force acting on a body of mass 3 kg changes its speed from 2 m/s to 3.5 m/s in 25 s. the direction of motion of the body remains unchanged. What is the magnitude and direction of the force? 3

4 14. A constant retarding force of 50 N is applied to a body of mass 20 kg moving initially with a speed of 15 m/s. How long does the body take to stop? 15. A rocket with a lift-off mass 20,000 kg is blasted upwards with an initial acceleration of 5 m/s 2. Find the initial thrust (force) of the blast. 16. Explain the types of inertia with one example of each. 17. State Newton s second law of motion. How does it help to measure force? Define S.I. unit of force. 18. What are concurrent forces? State and explain the condition of equilibrium of these forces. Assignment-4 1. Which one is greatest: static friction, limiting friction or kinetic friction? 2. What type of friction arises when an axle rotates in the sleeve? 3. When the weight of the body placed on a surface is doubles, how the coefficient of friction changes? 4. What is the relation between coefficient of static friction and the angle of friction? 5. What is the angle of friction between two surfaces in contact having coefficient of friction 1/ Why are wheels circular? 7. It is easier to roll a barrel than o slide it on the road. Why? Section-B ( Short Answer Type) 8. Distinguish between sliding friction and rolling friction. 9. Define limiting friction. State laws of limiting friction. 10. Friction is a necessary evil. Comment. 11. A force of 98 N is just able to move a block of mass 20 kg on a rough horizontal surface. Calculate the coefficient of friction and angle of friction. 4

5 12. Explain with expression why it is easier to pull a roller than to push it. 13. Explain methods of reducing friction. Assignment-5 1. What are the factors on which the work done depends? 2. Under what conditions the work done by a force is maximum and minimum? 3. A person having a load on his head walking with uniform velocity on a horizontal road. Does he do any work? 4. Out of joule, calorie, kilowatt and electron-volt which one is not the unit of energy? 5. In which motion momentum changes but kinetic energy does not? 6. Define 1 joule. 7. What do you mean by power and energy? Give their units. 8. A light body and a heavy body have the same momentum (p) which one has more kinetic energy? 9. A man weighing 70 kg carries a 30 kg box to the top of a building 20 m high. Calculate the work done by the man. 10. A man pulls a box on a horizontal floor through a distance of 20 m with a force of 30 N applied along a rope tied to the box and making an angle of 60 o with the horizontal. Calculate the work done. 11. Explain what is meant by work? Obtain an expression for the work done by a constant force. What should be the angles between the force and the displacement for maximum and for minimum work? 12. What is meant by positive, negative and zero work? Give two examples of each. 13. Explain the meaning of kinetic energy. Obtain an expression for the kinetic energy of a body moving with uniform velocity. 14. State and explain work-energy theorem. 15. Explain the meaning of potential energy. Obtain an expression for the potential energy of an ideal spring. 16. State and prove principle of conservation of energy. 17. What is meant by collision? Give a brief account of elastic and inelastic collisions. 5

6 Assignment-6 1. How many times large is electrostatic force between two electrons, to gravitational force between them? 2. Does the value of g increase or decrease below the earth? 3. What is meant by escape velocity? 4. The escape velocity from earth for a piece of 1 g is 11.2 kms -1. What would be it for apiece of 10 g? 5. What is the relationship of the orbital speed to the velocity required to send a body from the earth s surface into the space, never to return? 6. State Kepler s law of planetary motion. 7. Write down Newton s law of gravitation. 8. Define Universal gravitational constant. 9. What will be the effect on the time period of a simple pendulum on taking to a mountain? 10. Distinguish between mass and weight. 11. Distinguish between g and G. Obtain an expression for the acceleration due to gravity in terms of gravitational constant. 12. Explain how the knowledge of g helps us to find (i) mass of the earth and (ii) mean density of earth? 13. Discuss the variation of acceleration due to gravity g on going above and below the earth s surface. How g and G are are related? 6

7 14. Define gravitational potential. Derive an expression for the gravitational potential energy of a body on the surface of earth. 15. Define escape velocity. Derive the formula for escape velocity of a body from the surface of the earth and show that v e = body near the earth s surface.. Where vo is the orbital velocity of the Assignment-7(MECHANICAL PROPERTIES OF SOLIDS) 1. Define stress and strain. 2. State Hooke s law related to elasticity. 3. Obtain the units of Young s modulus of elasticity. 4. Define shearing stress and shearing strain. 5. What is called reciprocal of bulk modulus of elasticity? 6. What is the value of Young s modulus for a perfectly rigid body? 7. What is more elastic: water or air, why? 8. Explain deforming force and Elasticity. 9. Write copper, steel, glass and rubber in decreasing order of their modulus of elasticity. 10. What do you understand by limit of elasticity? 11. Define bulk modulus of elasticity and write its unit. 12. Define modulus of rigidity and write its unit. 13. Prove that on stretching a wire, the elastic potential energy per unit volume stored in the wire is x stress x strain. 7

8 14. Define longitudinal strain, stress and Young s modulus. 15. What do you understand by Poisson s ratio? Assignment-8(MECHANICAL PROPERTIES OF FLUIDS) 1. What is the value of 1 atmospheric pressure? 2. What is 1 bar of pressure? 3. Storage tank are made thicker near the bottom. Why? 4. A cork is floating in water. What is its apparent weight? 5. What is meant by 1 torr of pressure? 6. What is pressure? Give its units and dimensions. Is it a scalar or vector quantity? 7. Explain fluid thrust. 8. What is meant by streamline flow motion? 9. What is meant by turbulent flow motion? 10. Define coefficient of viscosity of a liquid and write its unit and dimensions. 11. What is meant by terminal velocity? 12. State and prove Pascal s law of fluid pressure. Illustrate it by two examples. 13. Obtain the expression for the pressure exerted by a liquid column. 8

### PHYSICS. Course Structure. Unit Topics Marks. Physical World and Measurement. 1 Physical World. 2 Units and Measurements.

PHYSICS Course Structure Unit Topics Marks I Physical World and Measurement 1 Physical World 2 Units and Measurements II Kinematics 3 Motion in a Straight Line 23 4 Motion in a Plane III Laws of Motion

### D.A.V. PUBLIC SCHOOL, UPPAL S SOUTHEND, SECTOR 49, GURUGRAM CLASS XI (PHYSICS) Academic plan for

D.A.V. PUBLIC SCHOOL, UPPAL S SOUTHEND, SECTOR 49, GURUGRAM CLASS XI (PHYSICS) Academic plan for 2017-2018 UNIT NAME OF UNIT WEIGHTAGE 1. 2. 3. Physical World and Measurement Kinemetics Laws of Motion

### DIVIDED SYLLABUS ( ) - CLASS XI PHYSICS (CODE 042) COURSE STRUCTURE APRIL

DIVIDED SYLLABUS (2015-16 ) - CLASS XI PHYSICS (CODE 042) COURSE STRUCTURE APRIL Unit I: Physical World and Measurement Physics Need for measurement: Units of measurement; systems of units; SI units, fundamental

### Class XI Physics Syllabus One Paper Three Hours Max Marks: 70

Class XI Physics Syllabus 2013 One Paper Three Hours Max Marks: 70 Class XI Weightage Unit I Physical World & Measurement 03 Unit II Kinematics 10 Unit III Laws of Motion 10 Unit IV Work, Energy & Power

### 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

### WORK, POWER AND ENERGY

WORK, POWER AND ENERGY Important Points:. Dot Product: a) Scalar product is defined as the product of the magnitudes of two vectors and the cosine of the angle between them. The dot product of two vectors

### Practice Test for Midterm Exam

A.P. Physics Practice Test for Midterm Exam Kinematics 1. Which of the following statements are about uniformly accelerated motion? Select two answers. a) If an object s acceleration is constant then it

### King Fahd University of Petroleum and Minerals Department of Physics. Final Exam 041. Answer key - First choice is the correct answer

King Fahd University of Petroleum and Minerals Department of Physics MSK Final Exam 041 Answer key - First choice is the correct answer Q1 A 20 kg uniform ladder is leaning against a frictionless wall

### 1. A force acts on a particle and displaces it through. The value of x for zero work is 1) 0.5 2) 2 4) 6

1. A force acts on a particle and displaces it through. The value of x for zero work is 1) 0.5 2) 2 3) +2 4) 6 2. Two bodies with K.E. in the ratio 4 : 1 are moving with same linear momenta. The ratio

### Electric Flux Holiday Homework

Physics 1. Evaluate (999) 1/3 upto four places of decimal.. Solve (1001) 1/3 upto six places of decimal. 3. Plot graph y = x 4. Plot graph x² + y² = 9 5. Integrate the following functions w.r.t.x and find

### 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. When a spring is compressed 10 cm, compared to its

### Chapter Work, Energy and Power. Q1. The co-efficient of restitution e for a perfectly elastic collision is [1988] (a) 1 (b) 0 (c) (d) 1 Ans: (a)

Chapter Work, Energy and Power Q1. The co-efficient of restitution e for a perfectly elastic collision is [1988] (a) 1 (b) 0 (c) (d) 1 Q2. A bullet of mass 10g leaves a rifle at an initial velocity of

### INTERNATIONAL INDIAN SCHOOL DAMMAM

INTERNATIONAL INDIAN SCHOOL DAMMAM SECOND TERMINAL EXAMINATION 2011 Class - XI Subject - Physics (Theory) Time: 3 hours Max. Marks 70 General Instructions 1. All questions are compulsory. Symbols have

### Future coaching Institute Tirupur

1 Higher secondary first year Physics volume I Laws and definitions Force: Force is the external agency applied on a body to change its state of rest and motion. Fundamental quantities Fundamental quantities

### AQA Forces Review Can you? Scalar and vector quantities Contact and non-contact forces Resolving forces acting parallel to one another

Can you? Scalar and vector quantities Describe the difference between scalar and vector quantities and give examples. Scalar quantities have magnitude only. Vector quantities have magnitude and an associated

### Mechanics. Time (s) Distance (m) Velocity (m/s) Acceleration (m/s 2 ) = + displacement/time.

Mechanics Symbols: Equations: Kinematics The Study of Motion s = distance or displacement v = final speed or velocity u = initial speed or velocity a = average acceleration s u+ v v v u v= also v= a =

### Month. March APRIL. The Orchid School Baner Weekly Syllabus Overview Std : XI Subject : Physics. Activities/ FAs Planned.

The Orchid School Baner Weekly Syllabus Overview 2015-2016 Std : XI Subject : Physics Month Lesson / Topic Expected Learning Objective Activities/ FAs Planned Remark March Physical World and Measurement

### Lift ascends upwards with a uniform acceleration of 2 ms -2 c. Lift descends downwards with a uniform acceleration of 2 ms -2 d.

FOR HALF YEARLY EXAM (XI) Mob: 9861210706, 9777702608 E-mail: basant.physics@gmail.com BASANT S PHYSICS 1. Two masses m1 and m2 are in contact. If a force F acts on m 1 or m 2, what is the ratio of the

### OCR Physics Specification A - H156/H556

OCR Physics Specification A - H156/H556 Module 3: Forces and Motion You should be able to demonstrate and show your understanding of: 3.1 Motion Displacement, instantaneous speed, average speed, velocity

### Physics-MC Page 1 of 29 Inertia, Force and Motion 1.

Physics-MC 2006-7 Page 1 of 29 Inertia, Force and Motion 1. 3. 2. Three blocks of equal mass are placed on a smooth horizontal surface as shown in the figure above. A constant force F is applied to block

### 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

### 4) Vector = and vector = What is vector = +? A) B) C) D) E)

1) Suppose that an object is moving with constant nonzero acceleration. Which of the following is an accurate statement concerning its motion? A) In equal times its speed changes by equal amounts. B) In

### Work Done by a Constant Force

Work and Energy Work Done by a Constant Force In physics, work is described by what is accomplished when a force acts on an object, and the object moves through a distance. The work done by a constant

### The diagram below shows a block on a horizontal frictionless surface. A 100.-newton force acts on the block at an angle of 30. above the horizontal.

Name: 1) 2) 3) Two students are pushing a car. What should be the angle of each student's arms with respect to the flat ground to maximize the horizontal component of the force? A) 90 B) 0 C) 30 D) 45

### 4.) A baseball that weighs 1.6 N leaves a bat with a speed of 40.0 m/s. Calculate the kinetic energy of the ball. 130 J

AP Physics-B Energy And Its Conservation Introduction: Energy is a term that most of us take for granted and use quite freely. We assume we know what we are talking about when speaking of energy. In truth,

### Extra credit assignment #4 It can be handed in up until one class before Test 4 (check your course outline). It will NOT be accepted after that.

Extra credit assignment #4 It can be handed in up until one class before Test 4 (check your course outline). It will NOT be accepted after that. NAME: 4. Units of power include which of the following?

### WORK, ENERGY AND POWER

WORK, ENERGY AND POWER 4.1 Introduction Work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of force. 4. Work Done by a Constant Force

### NEW HORIZON PRE UNIVERSITY COLLEGE LESSON PLAN FOR THE ACADEMIC YEAR Department of PHYSICS ( I PUC)

NEW HORIZON PRE UNIVERSITY COLLEGE LESSON PLAN FOR THE ACADEMIC YEAR 017 018 Department of PHYSICS ( I PUC) Week --------------------- Month: June Chapter (Physical world) Scope and excitement of Physics

### What is a Force? Free-Body diagrams. Contact vs. At-a-Distance 11/28/2016. Forces and Newton s Laws of Motion

Forces and Newton s Laws of Motion What is a Force? In generic terms: a force is a push or a pull exerted on an object that could cause one of the following to occur: A linear acceleration of the object

### 2016 ENGINEERING MECHANICS

Set No 1 I B. Tech I Semester Regular Examinations, Dec 2016 ENGINEERING MECHANICS (Com. to AE, AME, BOT, CHEM, CE, EEE, ME, MTE, MM, PCE, PE) Time: 3 hours Max. Marks: 70 Question Paper Consists of Part-A

### PSI AP Physics I Work and Energy

PSI AP Physics I Work and Energy Multiple-Choice questions 1. A driver in a 2000 kg Porsche wishes to pass a slow moving school bus on a 4 lane road. What is the average power in watts required to accelerate

### 9 MECHANICAL PROPERTIES OF SOLIDS

9 MECHANICAL PROPERTIES OF SOLIDS Deforming force Deforming force is the force which changes the shape or size of a body. Restoring force Restoring force is the internal force developed inside the body

### Measurement p. 1 What Is Physics? p. 2 Measuring Things p. 2 The International System of Units p. 2 Changing Units p. 3 Length p. 4 Time p. 5 Mass p.

Measurement p. 1 What Is Physics? p. 2 Measuring Things p. 2 The International System of Units p. 2 Changing Units p. 3 Length p. 4 Time p. 5 Mass p. 7 Review & Summary p. 8 Problems p. 8 Motion Along

### Force a push or a pull exerted on some object the cause of an acceleration, or the change in an objects velocity

Chapter 4 Physics Notes Changes in Motion Force a push or a pull exerted on some object the cause of an acceleration, or the change in an objects velocity Forces cause changes in velocity Causes a stationary

### Ch. 2 The Laws of Motion

Ch. 2 The Laws of Motion Lesson 1 Gravity and Friction Force - A push or pull we pull on a locker handle push a soccer ball or on the computer keys Contact force - push or pull on one object by another

### Lecture 18. Newton s Laws

Agenda: l Review for exam Lecture 18 l Assignment: For Monday, Read chapter 14 Physics 207: Lecture 18, Pg 1 Newton s Laws Three blocks are connected on the table as shown. The table has a coefficient

### 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

### SIR MICHELANGELO REFALO CENTRE FOR FURTHER STUDIES VICTORIA GOZO

SIR MICHELANGELO REFALO CENTRE FOR FURTHER STUDIES VICTORIA GOZO Half-Yearly Exam 2013 Subject: Physics Level: Advanced Time: 3hrs Name: Course: Year: 1st This paper carries 200 marks which are 80% of

### 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

### St. Joseph s Anglo-Chinese School

Time allowed:.5 hours Take g = 0 ms - if necessary. St. Joseph s Anglo-Chinese School 008 009 First Term Examination Form 6 ASL Physics Section A (40%) Answer ALL questions in this section. Write your

### AP Physics C. Momentum. Free Response Problems

AP Physics C Momentum Free Response Problems 1. A bullet of mass m moves at a velocity v 0 and collides with a stationary block of mass M and length L. The bullet emerges from the block with a velocity

### Physics Midterm Review KEY

Name: Date: 1. Which quantities are scalar? A. speed and work B. velocity and force C. distance and acceleration D. momentum and power 2. A 160.-kilogram space vehicle is traveling along a straight line

### where G is called the universal gravitational constant.

UNIT-I BASICS & STATICS OF PARTICLES 1. What are the different laws of mechanics? First law: A body does not change its state of motion unless acted upon by a force or Every object in a state of uniform

### TERM WISE SYLLABUS SESSION CLASS-XI SUBJECT: PHYSICS MID TERM

TERM WISE SYLLABUS SESSION-2018-19 CLASS-XI SUBJECT: PHYSICS MID TERM MONTH April 2018 To September 2018 CONTENTS UNIT -I: PHYSICAL WORLD AND MEASURMENT Chapter-1 : Physical World Physics - Scope and excitement,

### Equilibrium & Elasticity

PHYS 101 Previous Exam Problems CHAPTER 12 Equilibrium & Elasticity Static equilibrium Elasticity 1. A uniform steel bar of length 3.0 m and weight 20 N rests on two supports (A and B) at its ends. A block

### The net force on a moving object is suddenly reduced to zero. As a consequence, the object

The net force on a moving object is suddenly reduced to zero. As a consequence, the object (A) stops abruptly (B) stops during a short time interval (C) changes direction (D) continues at a constant velocity

### is acting on a body of mass m = 3.0 kg and changes its velocity from an initial

PHYS 101 second major Exam Term 102 (Zero Version) Q1. A 15.0-kg block is pulled over a rough, horizontal surface by a constant force of 70.0 N acting at an angle of 20.0 above the horizontal. The block

### 2 possibilities. 2.) Work is done and... 1.) Work is done and... *** The function of work is to change energy ***

Work-Energy Theorem and Energy Conservation *** The function of work is to change energy *** 2 possibilities 1.) Work is done and... or 2.) Work is done and... 1 EX: A 100 N box is 10 m above the ground

### Go on to the next page.

Chapter 10: The Nature of Force Force a push or a pull Force is a vector (it has direction) just like velocity and acceleration Newton the SI unit for force = kg m/s 2 Net force the combination of all

### Pre-AP Physics Review Problems

Pre-AP Physics Review Problems SECTION ONE: MULTIPLE-CHOICE QUESTIONS (50x2=100 points) 1. The graph above shows the velocity versus time for an object moving in a straight line. At what time after t =

### Chapter 6 Work and Energy

Chapter 6 Work and Energy Midterm exams will be available next Thursday. Assignment 6 Textbook (Giancoli, 6 th edition), Chapter 6: Due on Thursday, November 5 1. On page 162 of Giancoli, problem 4. 2.

### Quantitative Skills in AP Physics 1

This chapter focuses on some of the quantitative skills that are important in your AP Physics 1 course. These are not all of the skills that you will learn, practice, and apply during the year, but these

### 7. Two forces are applied to a 2.0-kilogram block on a frictionless horizontal surface, as shown in the diagram below.

1. Which statement about the movement of an object with zero acceleration is true? The object must be at rest. The object must be slowing down. The object may be speeding up. The object may be in motion.

### CHAPTER 2: FORCES AND MOTION

CHAPTER 2: FORCES AND MOTION 2.1 Linear Motion Linear Motion is motion in a straight line with constant acceleration. Classification Scalar Vector Physical quantity with Magnitude only Magnitude and direction

### PHYSICS 025 FINAL EXAMINATION Friday, 2003 April 11

Print Name: Student No. A 1-10 A 11-20 A 21-30 B1 B2 B3 B4 C1 C2 C3 Total PHYSICS 025 FINAL EXAMINATION Friday, 2003 April 11 Time: 7:00 10:00 PM 1. This is a closed book test. You may use only a calculator,

### WORK ENERGY AND POWER

WORK ENERGY AND POWER WORK PHYSICAL DEINITION When the point of application of force moves in the direction of the applied force under its effect then work is said to be done. MATHEMATICAL DEINITION O

### Recall: Gravitational Potential Energy

Welcome back to Physics 15 Today s agenda: Work Power Physics 15 Spring 017 Lecture 10-1 1 Recall: Gravitational Potential Energy For an object of mass m near the surface of the earth: U g = mgh h is height

### Isaac Newton ( ) 1687 Published Principia Invented Calculus 3 Laws of Motion Universal Law of Gravity

Isaac Newton (1642-1727) 1687 Published Principia Invented Calculus 3 Laws of Motion Universal Law of Gravity Newton s First Law (Law of Inertia) An object will remain at rest or in a constant state of

### Physics Test 9: Work and Energy page 1

Name Physics Test 9: Work and Energy page 1 Multiple Choice Read each question and choose the best answer by putting the corresponding letter in the blank to the left. 1. Which of the following is a unit

### Subject: Triple Physics Unit title: P4.5 Forces (Paper 2) Strand Content Checklist (L) R A G Forces and their interactions

4.5.3 Forces and elasticity 4.5.2 Work done and energy transfer 4.5.1 Forces and their interactions Subject: Triple Physics Unit title: P4.5 Forces (Paper 2) Strand Content Checklist (L) R A G 1. Identify

### Chapter: The Laws of Motion

Table of Contents Chapter: The Laws of Motion Section 1: Newton s Second Law Section 2: Gravity Section 3: The Third Law of Motion 1 Newton s Second Law Force, Mass, and Acceleration Newton s first law

### VALLIAMMAI ENGINEERING COLLEGE SRM NAGAR, KATTANKULATHUR DEPARTMENT OF MECHANICAL ENGINEERING

VALLIAMMAI ENGINEERING COLLEGE SRM NAGAR, KATTANKULATHUR 603203 DEPARTMENT OF MECHANICAL ENGINEERING BRANCH: MECHANICAL YEAR / SEMESTER: I / II UNIT 1 PART- A 1. State Newton's three laws of motion? 2.

### 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

### Grade XI. Physics Exam Preparation Booklet. Chapter-wise Important Questions. #GrowWithGreen

Grade XI Physics Exam Preparation Booklet Chapter-wise Important Questions #GrowWithGreen Units and Measurements Q1. After reading the physics book, Anamika recalled and noted down the expression for the

### Review. Kinetic Energy Work Hooke s s Law Potential Energy Conservation of Energy Power 1/91

Review Kinetic Energy Work Hooke s s Law Potential Energy Conservation of Energy Power 1/91 The unit of work is the A. Newton B. Watt C. Joule D. Meter E. Second 2/91 The unit of work is the A. Newton

### Lecture 13 REVIEW. Physics 106 Spring What should we know? What should we know? Newton s Laws

Lecture 13 REVIEW Physics 106 Spring 2006 http://web.njit.edu/~sirenko/ What should we know? Vectors addition, subtraction, scalar and vector multiplication Trigonometric functions sinθ, cos θ, tan θ,

### Fluid Mechanics. If deformation is small, the stress in a body is proportional to the corresponding

Fluid Mechanics HOOKE'S LAW If deformation is small, the stress in a body is proportional to the corresponding strain. In the elasticity limit stress and strain Stress/strain = Const. = Modulus of elasticity.

### Regents Physics. Physics Midterm Review - Multiple Choice Problems

Name Physics Midterm Review - Multiple Choice Problems Regents Physics 1. A car traveling on a straight road at 15.0 meters per second accelerates uniformly to a speed of 21.0 meters per second in 12.0

### A. B. C. D. E. v x. ΣF x

Q4.3 The graph to the right shows the velocity of an object as a function of time. Which of the graphs below best shows the net force versus time for this object? 0 v x t ΣF x ΣF x ΣF x ΣF x ΣF x 0 t 0

### Momentum, Impulse, Work, Energy, Power, and Conservation Laws

Momentum, Impulse, Work, Energy, Power, and Conservation Laws 1. Cart A has a mass of 2 kilograms and a speed of 3 meters per second. Cart B has a mass of 3 kilograms and a speed of 2 meters per second.

### UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics

UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics Physics 111.6 MIDTERM TEST #2 November 15, 2001 Time: 90 minutes NAME: STUDENT NO.: (Last) Please Print (Given) LECTURE SECTION

### Chapter 6 Energy and Oscillations

Chapter 6 Energy and Oscillations Conservation of Energy In this chapter we will discuss one of the most important and fundamental principles in the universe. Energy is conserved. This means that in any

### Which row, A to D, in the table correctly shows the quantities conserved in an inelastic collision? mass momentum kinetic energy total energy

1 Water of density 1000 kg m 3 flows out of a garden hose of cross-sectional area 7.2 10 4 m 2 at a rate of 2.0 10 4 m 3 per second. How much momentum is carried by the water leaving the hose per second?

### CHAPTER 4 NEWTON S LAWS OF MOTION

62 CHAPTER 4 NEWTON S LAWS O MOTION CHAPTER 4 NEWTON S LAWS O MOTION 63 Up to now we have described the motion of particles using quantities like displacement, velocity and acceleration. These quantities

### Newton s 3 Laws of Motion

Newton s 3 Laws of Motion 1. If F = 0 No change in motion 2. = ma Change in motion Fnet 3. F = F 1 on 2 2 on 1 Newton s First Law (Law of Inertia) An object will remain at rest or in a constant state of

### Motion. Argument: (i) Forces are needed to keep things moving, because they stop when the forces are taken away (evidence horse pulling a carriage).

1 Motion Aristotle s Study Aristotle s Law of Motion This law of motion was based on false assumptions. He believed that an object moved only if something was pushing it. His arguments were based on everyday

### ANSWERS 403 INDEX. Bulk modulus 238 Buoyant force 251

ANSWERS 403 INDEX A Absolute scale temperature 276 Absolute zero 276 Acceleration (linear) 45 Acceleration due to gravity 49,189 Accuracy 22 Action-reaction 97 Addition of vectors 67 Adiabatic process

### 1. What would be the value of F1 to balance the system if F2=20N? 20cm T =? 20kg

1. What would be the value of F1 to balance the system if F2=20N? F2 5cm 20cm F1 (a) 3 N (b) 5 N (c) 4N (d) None of the above 2. The stress in a wire of diameter 2 mm, if a load of 100 gram is applied

### Thomas Whitham Sixth Form Mechanics in Mathematics

Thomas Whitham Sixth Form Mechanics in Mathematics 6/0/00 Unit M Rectilinear motion with constant acceleration Vertical motion under gravity Particle Dynamics Statics . Rectilinear motion with constant

### Chapter 3: Force, Work and Energy

Chapter 3: Force and Force Equilibrium Chapter 3: Force, Work and Energy Chapter 3: Force, Work and Energy 3.1 Mass and Weight 3.2 Newton's Law of Gravitation 3.3 Force and Newton's 3 Laws of Motion 3.4

### Saint Lucie County Science Scope and Sequence

Course: Honors Physics 1 Course Code: 2003390 UNIT 4 TOPIC of STUDY: Newton s Laws of Motion and the Law of Gravity STANDARDS: 10: Energy, 12: Motion ~Net force produces motion ~There are four fundamental

### An Introduction. Work

Work and Energy An Introduction Work Work tells us how much a force or combination of forces changes the energy of a system. Work is the bridge between force (a vector) and energy (a scalar). W = F Dr

### Stress Strain Elasticity Modulus Young s Modulus Shear Modulus Bulk Modulus. Case study

Stress Strain Elasticity Modulus Young s Modulus Shear Modulus Bulk Modulus Case study 2 In field of Physics, it explains how an object deforms under an applied force Real rigid bodies are elastic we can

### University of Malta G.F. Abela Junior College

University of Malta G.F. Abela Junior College FIRST YEAR END-OF-YEAR TEST Subject: Physics Date: Friday 17 th June 2016 Level: Intermediate Time: 09:00-12:00 Directions to Candidates: Show ALL your working.

### LAWS OF MOTION. (i) This law gives the value of force.

LAWS OF MOTION The law of inertia given by Galileo was represented by Newton as the first law of motion :" If no external force acts on a body, the body at rest remains at rest and a body in motion continues

### WEP-Energy. 2. If the speed of a car is doubled, the kinetic energy of the car is 1. quadrupled 2. quartered 3. doubled 4. halved

1. A 1-kilogram rock is dropped from a cliff 90 meters high. After falling 20 meters, the kinetic energy of the rock is approximately 1. 20 J 2. 200 J 3. 700 J 4. 900 J 2. If the speed of a car is doubled,

### The content contained in all sections of chapter 6 of the textbook is included on the AP Physics B exam.

WORK AND ENERGY PREVIEW Work is the scalar product of the force acting on an object and the displacement through which it acts. When work is done on or by a system, the energy of that system is always

### Exam 2--PHYS 101--F11--Chapters 4, 5, & 6

ame: Exam 2--PHYS 101--F11--Chapters 4, 5, & 6 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Consider this figure. What is the normal force acting on

### CHAPTER 1: PHYSICAL QUANTITIES AMD MEASUREMENT

CHAPTER 1: PHYSICAL UANTITIES AMD MEASUREMENT 11 Physical uantities and Units a) State basic quantities and their respective SI units: length (m), time (s), mass (kg), electrical current (A), temperature

### 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,

### EXAM 3 MECHANICS 40% of the final grade

EXAM 3 MECHANICS 40% of the final grade Winter 2018 Name: Each multiple-choice question is worth 2 marks. 1. The mass of the two wheels shown in the diagram is the same. A force of 1 N is exerted on the

### BLOW UP SYLLABUS I PUC PHYSICS - 33 (THEORY)

BLOW UP SYLLABUS I PUC PHYSICS - 33 (THEORY) UNIT-I Chapter 1: PHYSICAL WORLD (2 hours) Physics: Scope and excitement of physics - Physics, technology and society - Mention of fundamental forces in nature

### W = mgh joule and mass (m) = volume density =

1. A rain drop of radius 2 mm falls from a height of 500 m above the ground. It falls with decreasing acceleration due to viscous resistance of the air until at half its original height, it attains its

### KINGS COLLEGE OF ENGINEERING ENGINEERING MECHANICS QUESTION BANK UNIT I - PART-A

KINGS COLLEGE OF ENGINEERING ENGINEERING MECHANICS QUESTION BANK Sub. Code: CE1151 Sub. Name: Engg. Mechanics UNIT I - PART-A Sem / Year II / I 1.Distinguish the following system of forces with a suitable

### XI-STD PHYSICS QUESTION BANK

XI-STD PHYSICS QUESTION BANK VOLUME-1 1. NATURE OF THE PHYSICAL WORLD AND MEASUREMENT 1. Distinguish between fundamental units and derived units. 2. Give the SI standard for (i) length (ii) mass and (iii)

### 4. Find the average velocities and average accelerations of a particle moving in 1-D given its position at various times.

PHYSICS 201: TEST 1 STUDY SHEET 1. Convert a quantity from one set of units to another set of units. 2. Convert a 2-D vector from rectangular form (components) to polar form (magnitude and angle), or from

### Lecture Presentation. Chapter 4 Forces and Newton s Laws of Motion. Chapter 4 Forces and Newton s Laws of Motion. Reading Question 4.

Chapter 4 Forces and Newton s Laws of Motion Lecture Presentation Chapter 4 Forces and Newton s Laws of Motion Chapter Goal: To establish a connection between force and motion. Slide 4-2 Chapter 4 Preview

### THE INDIAN COMMUNITY SCHOOL,KUWAIT PHYSICS SECTION-A

THE INDIAN COMMUNITY SCHOOL,KUWAIT CLASS:XI MAX MARKS:70 PHYSICS TIME ALLOWED : 3HOURS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~ General Instructions: