Circular Motion Test Review


 Warren Hunt
 2 years ago
 Views:
Transcription
1 Circular Motion Test Review Name: Date: 1) Is it possible for an object moving with a constant speed to accelerate? Explain. A) No, if the speed is constant then the acceleration is equal to zero. B) No, an object can accelerate only if there is a net force acting on it. C) Yes, although the speed is constant, the direction of the velocity can be changing. D) Yes, if an object is moving it can experience acceleration 2) An object moves in a circular path at a constant speed. Compare the direction of the object's velocity and acceleration vectors. A) Both vectors point in the same direction. B) The vectors point in opposite directions. C) The vectors are perpendicular. D) The question is meaningless, since the acceleration is zero. 3) What force is needed to make an object move in a circle? A) kinetic friction B) static friction C) centripetal force D) weight 4) A roller coaster car is on a track that forms a circular loop in the vertical plane. If the car is to just maintain contact with track at the top of the loop, what is the minimum value for its centripetal acceleration at this point? A) g downward B) 0.5g downward C) g upward D) 2g upward Page 1
2 5) A car goes around a curve of radius r at a constant speed v. What is the direction of the net force on the car? A) toward the curve's center B) away from the curve's center C) toward the front of the car D) toward the back of the car 6) A boy and a girl are riding on a merrygoround which is turning at a constant rate. The boy is near the outer edge, and the girl is closer to the center. Who has the greater angular displacement? A) the boy B) the girl C) Both have the same nonzero angular displacement. D) Both have zero angular displacement. 7) Two objects attract each other gravitationally. If the distance between their centers is cut in half, the gravitational force A) is cut to one fourth. B) is cut in half. C) doubles. D) quadruples 8) Compared to its mass on the Earth, the mass of an object on the Moon is A) less. B) more. C) the same. D) half as much. Page 2
3 9) A boy and a girl are riding on a merrygoround which is turning at a constant rate. The boy is near the outer edge, and the girl is closer to the center. Who has the greater linear speed? A) the boy B) the girl C) Both have the same nonzero translational velocity. D) Both have zero translational velocity. 10) An object moves with a constant speed of 30 m/s on a circular track of radius 150 m. What is the acceleration of the object? A) zero B) 0.17 m/s2 C) 5.0 m/s2 D) 6.0 m/s2 11) What is the centripetal acceleration of a point on the perimeter of a bicycle wheel of diameter 70 cm when the bike is moving 8.0 m/s? A) 91 m/s2 B) m/s2 C) m/s2 D) m/s2 12) How many revolutions per minute must a circular, rotating space station of radius 1000 m rotate to produce an artificial gravity of 9.80 m/s2? A) 0.65 rpm B) 0.75 rpm C) 0.85 rpm D) 0.95 rpm Page 3
4 13) A bicycle wheel rotates uniformly through 2.0 revolutions in 4.0 s. What is the frequency of the wheel's rotation? A) 0.50 Hz B) 1.0 Hz C) 2.0 Hz D) 4.0 Hz 14) A 0.50kg mass is attached to the end of a 1.0m string. The system is whirled in a horizontal circular path. If the maximum tension that the string can withstand is 350 N. What is the maximum speed of the mass if the string is not to break? A) 700 m/s B) 26 m/s C) 19 m/s D) 13 m/s 15) A kg mass, attached to the end of a m string, is whirled around in a smooth level table. If the maximum tension that the string can withstand is 250 N, then what maximum linear speed can the mass have if the string is not to break? A) 19.4 m/s B) 22.4 m/s C) 25.0 m/s D) 32.7 m/s 16) A wheel of diameter 26 cm turns at 1500 rpm. How far will a point on the outer rim move in 2.0 s? A) 3.1 m B) 41 m C) 90 m D) 180 m Page 4
5 17) A pilot makes an outside vertical loop (in which the center of the loop is beneath him) of radius 3200 m. At the top of his loop he is pushing down on his seat with only onehalf of his normal weight. How fast is he going? A) 5.0 m/s B) 25 m/s C) 125 m/s D) 625 m/s 18) A car is negotiating a flat curve of radius 50 m with a speed of 20 m/s. The centripetal force provided by friction is N. What is the mass of the car? A) 500 kg B) 1000 kg C) 1500 kg D) 2000 kg 19) A car goes around a flat curve of radius 50 m at a speed of 14 m/s. What must be the minimum coefficient of friction between the tires and the road for the car to make the turn? A) 0.20 B) 0.40 C) 0.60 D) ) A car traveling 20 m/s rounds an 80m radius horizontal curve with the tires on the verge of slipping. How fast can this car round a second curve of radius 320 m? (Assume the same coefficient of friction between the car's tires and each road surface.) A) 20 m/s B) 40 m/s C) 80 m/s D) 160 m/s Page 5
6 21) A wheel of radius 1.0 m is rotating with a constant angular speed of 2.0 rad/s. What is the linear speed of a point on the wheel's rim? A) 0.50 m/s B) 1.0 m/s C) 2.0 m/s D) 4.0 m/s 22) What minimum banking angle is required for an Olympic bobsled to negotiate a 100m radius turn at 35 m/s without skidding? (Ignore friction.) A) 31 B) 41 C) 51 D) 61 23) A curve of radius 80 m is banked at 45. Suppose that an ice storm hits, and the curve is effectively frictionless. What is the safe speed with which to take the curve without either sliding up or down? A) 9.4 m/s B) 28 m/s C) m/s D) The curve cannot be taken safely. 24) The mass of the Moon is kg and its mean radius is km. What is the acceleration due to gravity at the surface of the Moon? A) m/s2 B) 9.80 m/s2 C) 1.6 m/s2 D) 0.80 m/s2 Page 6
7 25) By how many newtons does the weight of a 100kg person change when he goes from sea level to an altitude of 5000 m? (The mean radius of the Earth is m.) A) 0.6 N B) 1.6 N C) 2.6 N D) 3.6 N 26) A wheel starts at rest, and has an angular acceleration of 4 rad/s2. Through what angle does it turn in 3.0 s? A) 36 rad B) 18 rad C) 12 rad D) 9.0 rad 27) A wheel of diameter of 68.0 cm slows down uniformly from 8.40 m/s to rest over a distance of 115 m. What is the total number of revolutions the wheel rotates in coming to rest? A) 53.8 rev B) 26.9 rev C) 338 rev D) 169 rev 28) A wheel of diameter of 68.0 cm slows down uniformly from 8.40 m/s to rest over a distance of 115 m. What is the angular acceleration? A) rad/s2 B) rad/s2 C) rad/s2 D) rad/s2 Page 7
8 29) Angular displacement is usually express in units of A) meters. B) radians. C) revolutions. D) arcs. 30) A pulsar (a rotating neutron star) emits pulses at a frequency of 0.40 khz. The period of its rotation is A) 2.5 ms. B) 2.5 s. C) s. D) 25 ms. Page 8
Chapter 5 Review : Circular Motion; Gravitation
Chapter 5 Review : Circular Motion; Gravitation Conceptual Questions 1) Is it possible for an object moving with a constant speed to accelerate? Explain. A) No, if the speed is constant then the acceleration
More informationCircular Motion.
1 Circular Motion www.njctl.org 2 Topics of Uniform Circular Motion (UCM) Kinematics of UCM Click on the topic to go to that section Period, Frequency, and Rotational Velocity Dynamics of UCM Vertical
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) You are standing in a moving bus, facing forward, and you suddenly fall forward as the
More information1 A car moves around a circular path of a constant radius at a constant speed. Which of the following statements is true?
Slide 1 / 30 1 car moves around a circular path of a constant radius at a constant speed. Which of the following statements is true? The car s velocity is constant The car s acceleration is constant The
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Diagram 1 A) B  A. B) A  B. C) A + B. D) A B.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) In the diagram shown, the unknown vector is 1) Diagram 1 A) B  A. B) A  B. C) A + B.
More informationExam #2, Chapters 57 PHYS 1014M MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam #2, Chapters 57 Name PHYS 1014M MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The quantity 1/2 mv2 is A) the potential energy of the object.
More informationPhysics 12. Unit 5 Circular Motion and Gravitation Part 1
Physics 12 Unit 5 Circular Motion and Gravitation Part 1 1. Nonlinear motions According to the Newton s first law, an object remains its tendency of motion as long as there is no external force acting
More informationTYPICAL NUMERIC QUESTIONS FOR PHYSICS I REGULAR QUESTIONS TAKEN FROM CUTNELL AND JOHNSON CIRCULAR MOTION CONTENT STANDARD IB
TYPICAL NUMERIC QUESTIONS FOR PHYSICS I REGULAR QUESTIONS TAKEN FROM CUTNELL AND JOHNSON CIRCULAR MOTION CONTENT STANDARD IB 1. A car traveling at 20 m/s rounds a curve so that its centripetal acceleration
More informationUniform Circular Motion. Uniform Circular Motion
Uniform Circular Motion Uniform Circular Motion Uniform Circular Motion An object that moves at uniform speed in a circle of constant radius is said to be in uniform circular motion. Question: Why is uniform
More informationUNIVERSITY 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
More informationAlgebra Based Physics Uniform Circular Motion
1 Algebra Based Physics Uniform Circular Motion 2016 07 20 www.njctl.org 2 Uniform Circular Motion (UCM) Click on the topic to go to that section Period, Frequency and Rotational Velocity Kinematics of
More informationUniform Circular Motion
Slide 1 / 112 Uniform Circular Motion 2009 by Goodman & Zavorotniy Slide 2 / 112 Topics of Uniform Circular Motion (UCM) Kinematics of UCM Click on the topic to go to that section Period, Frequency, and
More informationUNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics
UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics Physics 111.6 MIDTERM TEST #2 November 16, 2000 Time: 90 minutes NAME: STUDENT NO.: (Last) Please Print (Given) LECTURE SECTION
More information1. In which situation is an object undergoing centripetal acceleration? (C) a car accelerating on a drag strip (D) a hockey puck gliding on ice
Physics 3204 Assignment 2.1 UCM DUE: Thursday Nov 24, 2017 Name: Part A. Multiple Choice: Select the best possible answer. Place the answer on the answer sheet. 1. In which situation is an object undergoing
More informationCircular Motion PreTest
Circular Motion PreTest Date: 06/03/2008 Version #: 0 Name: 1. In a series of test runs, a car travels around the same circular track at different velocities. Which graph best shows the relationship between
More informationMultiple Choice Portion
Unit 5: Circular Motion and Gravitation Please Note that the gravitational potential energy questions are located in Unit 4 (Energy etc.) Multiple Choice Portion 1. What is the centripetal acceleration
More informationRotational 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 informationΣF=ma SECOND LAW. Make a freebody diagram for EVERY problem!
PHYSICS HOMEWORK #31 SECOND LAW ΣF=ma NEWTON S LAWS Newton s Second Law of Motion The acceleration of an object is directly proportional to the force applied, inversely proportional to the mass of the
More informationAn object moving in a circle with radius at speed is said to be undergoing.
Circular Motion Study Guide North Allegheny High School Mr. Neff An object moving in a circle with radius at speed is said to be undergoing. In this case, the object is because it is constantly changing
More informationName St. Mary's HS AP Physics Circular Motion HW
Name St. Mary's HS AP Physics Circular Motion HW Base your answers to questions 1 and 2 on the following situation. An object weighing 10 N swings at the end of a rope that is 0.72 m long as a simple pendulum.
More informationPage 2. Q1.A satellite X is in a circular orbit of radius r about the centre of a spherical planet of mass
Q1. satellite X is in a circular orbit of radius r about the centre of a spherical planet of mass M. Which line, to, in the table gives correct expressions for the centripetal acceleration a and the speed
More informationAP C  Webreview ch 7 (part I) Rotation and circular motion
Name: Class: _ Date: _ AP C  Webreview ch 7 (part I) Rotation and circular motion Multiple Choice Identify the choice that best completes the statement or answers the question. 1. 2 600 rev/min is equivalent
More informationName Period Date A) B) C) D)
Example Problems 9.2 E1. A car rounds a curve of constant radius at a constant speed. Which diagram best represents the directions of both the car s velocity and acceleration? Explain: A) B) C) D) E2.
More informationB) v `2. C) `2v. D) 2v. E) 4v. A) 2p 25. B) p C) 2p. D) 4p. E) 4p 2 25
1. 3. A ball attached to a string is whirled around a horizontal circle of radius r with a tangential velocity v. If the radius is changed to 2r and the magnitude of the centripetal force is doubled the
More informationMultiple Choice (A) (B) (C) (D)
Multiple Choice 1. A ball is fastened to a string and is swung in a vertical circle. When the ball is at the highest point of the circle its velocity and acceleration directions are: (A) (B) (C) (D) 2.
More informationProficient. a. The gravitational field caused by a. The student is able to approximate a numerical value of the
Unit 6. Circular Motion and Gravitation Name: I have not failed. I've just found 10,000 ways that won't work. Thomas Edison Big Idea 1: Objects and systems have properties such as mass and charge. Systems
More informationExam I Physics 101: Lecture 08 Centripetal Acceleration and Circular Motion Today s lecture will cover Chapter 5 Exam I is Monday, Oct. 7 (2 weeks!
Exam I Physics 101: Lecture 08 Centripetal Acceleration and Circular Motion http://www.youtube.com/watch?v=zyf5wsmxrai Today s lecture will cover Chapter 5 Exam I is Monday, Oct. 7 ( weeks!) Physics 101:
More informationHonors 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 informationPhysics 2211 ABC Quiz #3 Solutions Spring 2017
Physics 2211 ABC Quiz #3 Solutions Spring 2017 I. (16 points) A block of mass m b is suspended vertically on a ideal cord that then passes through a frictionless hole and is attached to a sphere of mass
More informationAssignment  Periodic Motion. Reading: Giancoli, Chapter 5 Holt, Chapter 7. Objectives/HW:
Assignment  Periodic Motion Reading: Giancoli, Chapter 5 Holt, Chapter 7 Objectives/HW: The student will be able to: 1 Define and calculate period and frequency. 2 Apply the concepts of position, distance,
More informationCutnell/Johnson Physics
Cutnell/Johnson Physics Classroom Response System Questions Chapter 5 Dynamics of Uniform Circular Motion Interactive Lecture Questions 5.1.1. An airplane flying at 115 m/s due east makes a gradual turn
More informationThe 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
More informationCircular Motion. 2 types of Acceleration. Centripetal Force and Acceleration. In a circle. Constant Velocity vs. Constant Speed.
Circular Motion What does it mean to accelerate Centripetal Force and Acceleration Constant Velocity vs. Constant Speed. 2 types of Acceleration In a circle Direction of acceleration / velocity top view
More informationDynamics Test K/U 28 T/I 16 C 26 A 30
Name: Dynamics Test K/U 28 T/I 16 C 26 A 30 A. True/False Indicate whether the sentence or statement is true or false. 1. The normal force that acts on an object is always equal in magnitude and opposite
More informationPHYS 1303 Final Exam Example Questions
PHYS 1303 Final Exam Example Questions 1.Which quantity can be converted from the English system to the metric system by the conversion factor 5280 mi f 12 f in 2.54 cm 1 in 1 m 100 cm 1 3600 h? s a. feet
More informationPeriod: Date: Review  UCM & Energy. Page 1. Base your answers to questions 1 and 2 on the information and diagram below.
Base your answers to questions 1 and 2 on the information and diagram below. The diagram shows the top view of a kilogram student at point A on an amusement park ride. The ride spins the student in a
More informationHATZIC SECONDARY SCHOOL
HATZIC SECONDARY SCHOOL PROVINCIAL EXAMINATION ASSIGNMENT CIRCULAR MOTION MULTIPLE CHOICE / 30 OPEN ENDED / 65 TOTAL / 95 NAME: 1. An object travels along a path at constant speed. There is a constant
More informationPhysics 101: Lecture 08 Centripetal Acceleration and Circular Motion
Physics 101: Lecture 08 Centripetal Acceleration and Circular Motion http://www.youtube.com/watch?v=zyf5wsmxrai Today s lecture will cover Chapter 5 Physics 101: Lecture 8, Pg 1 Circular Motion Act B A
More informationAssignment 4.2 Frictional Forces CONCEPTUAL QUESTIONS: 1. What is the SI unit of the coefficient of friction (μ s or μ k )?
CONCEPTUAL QUESTIONS: 1. What is the SI unit of the coefficient of friction (μ s or μ k )? 2. Tennis is played on clay, grass, and hard surfaces. Please explain why you think tennis players have or don
More informationPhys101 Second Major162 Zero Version Coordinator: Dr. Kunwar S. Saturday, March 25, 2017 Page: 1
Coordinator: Dr. Kunwar S. Saturday, March 25, 2017 Page: 1 Q1. Only two horizontal forces act on a 3.0 kg body that can move over a frictionless floor. One force is 20 N, acting due east, and the other
More information1. An object is fired with an initial velocity of 23 m/s [R30 U]. What are the initial components of its velocity?
Physics 304 Unit 1  Total Review 1. An object is fired with an initial velocity of 3 m/s [R30U]. What are the initial components of its velocity?. An object rolls off the top of a horizontal table. a)
More informationCircular Motion CENTRIPETAL ACCELERATION. tft,
Circular Motion Ill SECTION OBJECTIVES Solve problems involving centripetal acceleration. Solve problems involving centripetal force. Explain how the apparent existence of an outward force in circular
More informationOld Exam. Question Chapter 7 072
Old Exam. Question Chapter 7 072 Q1.Fig 1 shows a simple pendulum, consisting of a ball of mass M = 0.50 kg, attached to one end of a massless string of length L = 1.5 m. The other end is fixed. If the
More informationWebreview Torque and Rotation Practice Test
Please do not write on test. ID A Webreview  8.2 Torque and Rotation Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A 0.30mradius automobile
More informationr 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 informationSAPTARSHI CLASSES PVT. LTD.
SAPTARSHI CLASSES PVT. LTD. NEET/JEE Date : 13/05/2017 TEST ID: 120517 Time : 02:00:00 Hrs. PHYSICS, Chem Marks : 360 Phy : Circular Motion, Gravitation, Che : Halogen Derivatives Of Alkanes Single Correct
More informationCircular Motion & Gravitation MC Question Database
(Questions #4,5,6,27,37,38,42 and 58 each have TWO correct answers.) 1) A record player has four coins at different distances from the center of rotation. Coin A is 1 cm away, Coin B is 2 cm away. Coin
More information66 Chapter 6: FORCE AND MOTION II
Chapter 6: FORCE AND MOTION II 1 A brick slides on a horizontal surface Which of the following will increase the magnitude of the frictional force on it? A Putting a second brick on top B Decreasing the
More informationSPH4U Sample Test Dynamics
1of14 True/False Indicate whether the sentence or statement is true or false. 1. The normal force that acts on an object is always equal in magnitude and opposite in direction to the gravitational force
More informationPSI AP Physics B Circular Motion
PSI AP Physics B Circular Motion Multiple Choice 1. A ball is fastened to a string and is swung in a vertical circle. When the ball is at the highest point of the circle its velocity and acceleration directions
More informationCircular Motion and Gravitation Notes 1 Centripetal Acceleration and Force
Circular Motion and Gravitation Notes 1 Centripetal Acceleration and Force This unit we will investigate the special case of kinematics and dynamics of objects in uniform circular motion. First let s consider
More informationHonors Assignment  Circular and Periodic Motion
Honors Assignment  Circular and Periodic Motion Reading: Chapter 5, and 11 1 through 11 5 Objectives/HW: Assignment #1 M: # 1 6 Assignment #2 M: # 7 15 Assignment #3 Text: Chap 5 # 6, 12 M: # 17 22 Assignment
More information4) 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
More informationRotational Motion and the Law of Gravity 1
Rotational Motion and the Law of Gravity 1 Linear motion is described by position, velocity, and acceleration. Circular motion repeats itself in circles around the axis of rotation Ex. Planets in orbit,
More informationDynamics Review Outline
Dynamics Review Outline 2.1.1C Newton s Laws of Motion 2.1 Contact Forces First Law (Inertia) objects tend to remain in their current state of motion (at rest of moving at a constant velocity) until acted
More informationCircular Velocity and Centripetal Acceleration
1. An object is spun around in circular motion such that it completes 100 cycles in 25 s. a. What is the period of its rotation? [0.25 s] b. If the radius is 0.3 m what is the velocity? [7.54 m/s] c. Draw
More informationExam 1 Solutions. Kinematics and Newton s laws of motion
Exam 1 Solutions Kinematics and Newton s laws of motion No. of Students 80 70 60 50 40 30 20 10 0 PHY231 Spring 2012 Midterm Exam 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Raw Score 1. In which
More informationLecture Presentation. Chapter 6 Preview Looking Ahead. Chapter 6 Circular Motion, Orbits, and Gravity
Chapter 6 Preview Looking Ahead Lecture Presentation Chapter 6 Circular Motion, Orbits, and Gravity Text: p. 160 Slide 62 Chapter 6 Preview Looking Back: Centripetal Acceleration In Section 3.8, you learned
More informationChapter 5 Applying Newton s Laws
Chapter 5 Applying Newton s Laws In this chapter we will introduce further applications of Newton s 1 st and 2 nd law. In summary, all of the contact forces and actionatadistance forces will go on the
More informationAP Physics Daily Problem #31
AP Physics Daily Problem #31 A 10kg mass is whirled around on the end of a 3m long cord. The speed of the mass is 7m/s. Ignore gravitational forces. 3.0m 7.0m/s Draw a free body diagram of the mass. (hint:
More informationUnless otherwise specified, use g = 9.80 m/s2
Phy 111 Exam 2 March 10, 2015 Name Section University ID Please fill in your computer answer sheet as follows: 1) In the NAME grid, fill in your last name, leave one blank space, then your first name.
More informationUse the following to answer question 1:
Use the following to answer question 1: On an amusement park ride, passengers are seated in a horizontal circle of radius 7.5 m. The seats begin from rest and are uniformly accelerated for 21 seconds to
More informationUCMCircular Motion. Base your answers to questions 1 and 2 on the information and diagram below.
Base your answers to questions 1 and 2 on the information and diagram The diagram shows the top view of a 65kilogram student at point A on an amusement park ride. The ride spins the student in a horizontal
More informationQuantitative 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
More informationAngular Speed and Angular Acceleration Relations between Angular and Linear Quantities
Angular Speed and Angular Acceleration Relations between Angular and Linear Quantities 1. The tires on a new compact car have a diameter of 2.0 ft and are warranted for 60 000 miles. (a) Determine the
More informationConservation of Energy Challenge Problems Problem 1
Conservation of Energy Challenge Problems Problem 1 An object of mass m is released from rest at a height h above the surface of a table. The object slides along the inside of the looptheloop track consisting
More informationChapter 6 Circular Motion, Orbits and Gravity
Chapter 6 Circular Motion, Orbits and Gravity Topics: The kinematics of uniform circular motion The dynamics of uniform circular motion Circular orbits of satellites Newton s law of gravity Sample question:
More informationASTRONAUT PUSHES SPACECRAFT
ASTRONAUT PUSHES SPACECRAFT F = 40 N m a = 80 kg m s = 15000 kg a s = F/m s = 40N/15000 kg = 0.0027 m/s 2 a a = F/m a = 40N/80kg = 0.5 m/s 2 If t push = 0.5 s, then v s = a s t push =.0014 m/s, and
More informationCircular Motion and Gravitation Practice Test Provincial Questions
Circular Motion and Gravitation Practice Test Provincial Questions 1. A 1 200 kg car is traveling at 25 m s on a horizontal surface in a circular path of radius 85 m. What is the net force acting on this
More informationUniform Circular Motion
Uniform Circular Motion 2.4 Knowledge and Skills Checklist Do I know that uniform circular motion means that a body is moving in a circular path with constant speed? Do I know that, although the speed
More informationPHYS 1303 Final Exam Example Questions
PHYS 1303 Final Exam Example Questions (In summer 2014 we have not covered questions 3035,40,41) 1.Which quantity can be converted from the English system to the metric system by the conversion factor
More informationPhysics 111: Mechanics Lecture 9
Physics 111: Mechanics Lecture 9 Bin Chen NJIT Physics Department Circular Motion q 3.4 Motion in a Circle q 5.4 Dynamics of Circular Motion If it weren t for the spinning, all the galaxies would collapse
More informationChapter 10 Rotational Kinematics and Energy. Copyright 2010 Pearson Education, Inc.
Chapter 10 Rotational Kinematics and Energy 101 Angular Position, Velocity, and Acceleration 101 Angular Position, Velocity, and Acceleration Degrees and revolutions: 101 Angular Position, Velocity,
More informationPreparing for Six Flags Physics Concepts
Preparing for Six Flags Physics Concepts uniform means constant, unchanging At a uniform speed, the distance traveled is given by Distance = speed x time At uniform velocity, the displacement is given
More informationPHYS 101 Previous Exam Problems. Kinetic Energy and
PHYS 101 Previous Exam Problems CHAPTER 7 Kinetic Energy and Work Kinetic energy Work Workenergy theorem Gravitational work Work of spring forces Power 1. A single force acts on a 5.0kg object in such
More informationProblem Solving Circular Motion Kinematics Challenge Problem Solutions
Problem Solving Circular Motion Kinematics Challenge Problem Solutions Problem 1 A bead is given a small push at the top of a hoop (position A) and is constrained to slide around a frictionless circular
More informationPH201 Chapter 6 Solutions
PH201 Chapter 6 Solutions 6.2. Set Up: Since the stone travels in a circular path, its acceleration is directed toward the center of the circle. The only horizontal force on the stone is the tension of
More informationChapter 6 Motion in Two Dimensions
Conceptual Physics/ PEP Name: Date: Chapter 6 Motion in Two Dimensions Section Review 6.1 1. What is the word for the horizontal distance a projectile travels? 2. What does it mean to say a projectile
More informationLecture PowerPoints. Chapter 5 Physics for Scientists & Engineers, with Modern Physics, 4 th edition. Giancoli
Lecture PowerPoints Chapter 5 Physics for Scientists & Engineers, with Modern Physics, 4 th edition 2009 Pearson Education, Inc. This work is protected by United States copyright laws and is provided solely
More informationPHYSICS 221, FALL 2010 EXAM #1 Solutions WEDNESDAY, SEPTEMBER 29, 2010
PHYSICS 1, FALL 010 EXAM 1 Solutions WEDNESDAY, SEPTEMBER 9, 010 Note: The unit vectors in the +x, +y, and +z directions of a righthanded Cartesian coordinate system are î, ĵ, and ˆk, respectively. In
More informationPHYSICS. Chapter 8 Lecture FOR SCIENTISTS AND ENGINEERS A STRATEGIC APPROACH 4/E RANDALL D. KNIGHT Pearson Education, Inc.
PHYSICS FOR SCIENTISTS AND ENGINEERS A STRATEGIC APPROACH 4/E Chapter 8 Lecture RANDALL D. KNIGHT Chapter 8. Dynamics II: Motion in a Plane IN THIS CHAPTER, you will learn to solve problems about motion
More informationPhysics 23 Exam 2 March 3, 2009
Use the following to answer question 1: A stationary 4kg shell explodes into three pieces. Two of the fragments have a mass of 1 kg each and move along the paths shown with a speed of 10 m/s. The third
More informationQ16.: A 5.0 kg block is lowered with a downward acceleration of 2.8 m/s 2 by means of a rope. The force of the block on the rope is:(35 N, down)
Old Exam Question Ch. 5 T072 Q13.Two blocks of mass m 1 = 24.0 kg and m 2, respectively, are connected by a light string that passes over a massless pulley as shown in Fig. 2. If the tension in the string
More information1. A baseball player throws a ball horizontally. Which statement best describes the ball's motion after it is thrown? [Neglect the effect of
1. A baseball player throws a ball horizontally. Which statement best describes the ball's motion after it is thrown? [Neglect the effect of friction.] A) Its vertical speed remains the same, and its horizontal
More informationUNIT HW ROTATION ANSWER KEY
Conceptual Questions UNIT HW ROTATION ANSWER KEY 1) D_What type of linear acceleration does an object moving with constant linear speed (st) in a circular path experience? A) free fall C) linear acceleration
More informationv (m/s) 10 d. displacement from 04 s 28 m e. time interval during which the net force is zero 02 s f. average velocity from 04 s 7 m/s x (m) 20
Physics Final Exam Mechanics Review Answers 1. Use the velocitytime graph below to find the: a. velocity at 2 s 6 m/s v (m/s) 1 b. acceleration from 2 s 6 c. acceleration from 24 s 2 m/s 2 2 4 t (s)
More informationPractice Problems from Chapters 1113, for Midterm 2. Physics 11a Fall 2010
Practice Problems from Chapters 1113, for Midterm 2. Physics 11a Fall 2010 Chapter 11 1. The Ferris wheel shown below is turning at constant speed. Draw and label freebody diagrams showing the forces
More informationLinear vs. Rotational Motion
Linear vs. Rotational Motion Every term in a linear equation has a similar term in the analogous rotational equation. Displacements: s = r θ v t ω Speeds: v t = ω r Accelerations: a t = α r Every point
More informationIn this lecture we will discuss three topics: conservation of energy, friction, and uniform circular motion.
1 PHYS:100 LECTURE 9 MECHANICS (8) In this lecture we will discuss three topics: conservation of energy, friction, and uniform circular motion. 9 1. Conservation of Energy. Energy is one of the most fundamental
More informationCircular Motion 1
 Circular Motion 1 
More informationUpon collision, the clay and steel block stick together and move to the right with a speed of
1. A 2.0kilogram ball traveling north at 4.0 meters per second collides head on with a 1.0kilogram ball traveling south at 8.0 meters per second. What is the magnitude of the total momentum of the two
More informationCircular Motion (Chapter 5)
Circular Motion (Chapter 5) So far we have focused on linear motion or motion under gravity (freefall). Question: What happens when a ball is twirled around on a string at constant speed? Ans: Its velocity
More information(1) +0.2 m/s (2) +0.4 m/s (3) +0.6 m/s (4) +1 m/s (5) +0.8 m/s
77777 77777 Instructor: Biswas/Ihas/Whiting PHYSICS DEPARTMENT PHY 2053 Exam 2, 120 minutes November 13, 2009 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized
More informationPRACTICE TEST for Midterm Exam
South Pasadena AP Physics PRACTICE TEST for Midterm Exam FORMULAS Name Period Date / / d = vt d = v o t + ½ at 2 d = v o + v 2 t v = v o + at v 2 = v 2 o + 2ad v = v x 2 + v y 2 = tan 1 v y v v x = v cos
More informationS Notre Dame 1
Worksheet 1 Horizontal Circular Motion 1. Will the acceleration of a car be the same if it travels Around a sharp curve at 60 km/h as when it travels around a gentle curve at the same speed? Explain. 2.
More informationFigure 5.1a, b IDENTIFY: Apply to the car. EXECUTE: gives.. EVALUATE: The force required is less than the weight of the car by the factor.
51 IDENTIFY: for each object Apply to each weight and to the pulley SET UP: Take upward The pulley has negligible mass Let be the tension in the rope and let be the tension in the chain EXECUTE: (a) The
More informationQ2. A machine carries a 4.0 kg package from an initial position of d ˆ. = (2.0 m)j at t = 0 to a final position of d ˆ ˆ
Coordinator: Dr. S. Kunwar Monday, March 25, 2019 Page: 1 Q1. An object moves in a horizontal circle at constant speed. The work done by the centripetal force is zero because: A) the centripetal force
More information(A) 10 m (B) 20 m (C) 25 m (D) 30 m (E) 40 m
PSI AP Physics C Work and Energy (Algebra Based) Multiple Choice Questions (use g = 10 m/s 2 ) 1. A student throws a ball upwards from the ground level where gravitational potential energy is zero. At
More informationAP 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 informationPhysics 211 Week 5. Work and Kinetic Energy: Block on Ramp
Physics 211 Week 5 Work and Kinetic Energy: Block on Ramp A block starts with a speed of 15 m/s at the bottom of a ramp that is inclined at an angle of 30 o with the horizontal. The coefficient of kinetic
More information