# PHYSICS 1. Section I 40 Questions Time 90 minutes. g = 10 m s in all problems.

Size: px
Start display at page:

Download "PHYSICS 1. Section I 40 Questions Time 90 minutes. g = 10 m s in all problems."

## Transcription

1 Note: To simplify calculations, you may use PHYSICS 1 Section I 40 Questions Time 90 minutes 2 g = 10 m s in all problems. Directions: Each of the questions or incomplete statements below is followed by four suggested answers or completions. Select the one that is best in each case and then fill in the corresponding circle on the answer sheet. 1. In which of the following situations is the kinetic energy of the object decreasing? (A) A sphere is dropped from a building. (B) A satellite is moving in a circular orbit around Earth. (C) A baseball is heading upward after being thrown at an angle. (D) An elevator is moving upward at a constant velocity. 2. Two protons are held a distance d apart. The electrostatic force and the gravitational force that one proton exerts on the other are F e and F g, respectively. Which of the following correctly compares the magnitude and direction of these forces? Magnitude Direction (A) Fe > Fg Opposite (B) Fe > Fg Same (C) Fe < Fg Opposite (D) Fe < Fg Same 3. A 2 kg object traveling at 5 m s on a frictionless horizontal surface collides head-on with and sticks to a 3 kg object initially at rest. Which of the following correctly identifies the change in total kinetic energy and the resulting speed of the objects after the collision? Kinetic Energy (A) Increases (B) Increases (C) Decreases (D) Decreases Speed 2 m s 3.2 m s 2 m s 3.2 m s 4. A stone of mass m is thrown upward at a 30 angle to the horizontal. At the instant the stone reaches its highest point, why is the stone neither gaining nor losing speed? (A) Because the acceleration of the stone at that instant is zero (B) Because the net force acting upon the stone at that instant has magnitude mg (C) Because the angle between the stone s velocity and the net force exerted upon the stone is 90 (D) Because the stone follows a parabolic trajectory and the peak of the trajectory is where the parabola has zero slope -4-

2 5. A small cart is rolling freely on an inclined ramp 2 with a constant acceleration of 0.50 m s in the x-direction. At time t = 0, the cart has a velocity of 2.0 m s in the +x-direction. If the cart never leaves the ramp, which of the following statements correctly describes the motion of the cart at a time t > 5 s? (A) The cart is traveling in the +x-direction and is slowing down. (B) The cart is traveling in the +x-direction and is speeding up. (C) The cart is traveling in the x-direction and is slowing down. (D) The cart is traveling in the x-direction and is speeding up. Item 6 was not scored. 7. A box of mass m is on a rough inclined plane that is at an angle q with the horizontal. A force of magnitude F at an angle f with the plane is exerted on the block, as shown above. As the block moves up the plane, there is a frictional force between the box and the plane of magnitude f. What is the magnitude of the net force acting on the box? (A) Fsin f - mgcosq - f (B) Fcos( f + q) + mgsinq - f (C) Fcosf - mgsinq - f Fcos f + q - mgsinq - f (D) ( ) 8. An object s velocity v as a function of time t is given in the graph above. Which of the following statements is true about the motion of the object? (A) The object is not moving from t = 4 s to t = 10 s. (B) The object s initial and final positions are the same. (C) The object is slowing down from t = 14 s to t = 16 s. (D) The average acceleration of the object from t = 0 s to t = 4 s is different from the acceleration from t = 34 s to t = 36 s. -5-

3 Questions 9-10 refer to the following material. In the circuit shown above, the sum of the resistances of resistors R 1 and R 2 is 8 W. 9. What is the current through the battery? (A) 4 A (B) 5 A (C) 8 A (D) 20 A 10. Resistor R 1 and the 2 W resistor are now swapped. How does the current in the right branch of the circuit change, and why? (A) The current does not change, because the total resistance does not change. (B) The current increases, because the total resistance will always decrease. (C) The current decreases, because the total resistance will always increase. (D) The change in current cannot be determined without knowing the resistances of R 1 and R

4 11. A block of mass 10 kg moves from position A to position B shown in the figure above. The speed of the block is 10 m s at A and 4.0 m s at B. The work done by friction on the block as it moves from A to B is most nearly (A) -280 J (B) -220 J (C) -200 J (D) 0 J 12. To determine the speed of waves on a string, some students tie a long string of unknown length between a wave generator and a wall. They vary the frequency f of the generator to get a standing wave. They count the nodes n and measure the wavelength l. They repeat the experiment, creating standing waves with different frequencies. Which of the following is the best relationship to graph to determine the speed of the waves on the string? (A) f as a function of l (B) f as a function of 1 l (C) f as a function of n (D) f as a function of 1/n 13. A ladder at rest is leaning against a wall at an angle. Which of the following forces must have the same magnitude as the frictional force exerted on the ladder by the floor? (A) The force of gravity on the ladder (B) The normal force exerted on the ladder by the floor (C) The frictional force exerted on the ladder by the wall (D) The normal force exerted on the ladder by the wall 14. Some students want to calculate the work done by friction as an object with unknown mass moves along a straight line on a rough horizontal surface. The students have a force probe, a meterstick, and a stopwatch. Which of the following will allow the students to take the measurements needed to calculate the work done by friction? (A) Pulling the block at an unknown constant acceleration with the force probe for a measured time (B) Pulling the block at an unknown constant speed with the force probe for a measured time (C) Pulling the block at an unknown constant acceleration with the force probe for a measured distance (D) Pulling the block at an unknown constant speed with the force probe for a measured distance -7-

5 15. A pendulum consisting of a sphere suspended from a light string is oscillating with a small angle with respect to the vertical. The sphere is then replaced with a new sphere of the same size but greater density and is set into oscillation with the same angle. How do the period, maximum kinetic energy, and maximum acceleration of the new pendulum compare to those of the original pendulum? Period Maximum Kinetic Energy Maximum Acceleration (A) Larger Larger Smaller (B) Smaller Larger Smaller (C) The same The same The same (D) The same Larger The same 16. Planet X has twice Earth s mass and three times Earth s radius. The magnitude of the gravitational field near Planet X s surface is most nearly (A) 2 Nkg (B) 7 Nkg (C) 10 Nkg (D) 20 Nkg 17. A force F is exerted on a 5 kg block to move it across a rough surface, as shown above. The magnitude of the force is initially 5 N, and the block moves at a constant velocity. While the block is moving, the force is instantaneously increased to 12 N. How much kinetic energy does the block now gain as it moves a distance of 2 m? (A) 10 J (B) 14 J (C) 24 J (D) 34 J -8-

6 18. The figure above represents two guitar strings of different materials and lengths, which are on two guitars of different sizes. String 1 is plucked so it vibrates in the pattern shown. Very soon after string 1 is plucked, string 2, which is a short distance away, vibrates in the pattern shown. The guitars are placed in a sealed chamber and then the air is pumped out of the chamber. String 1 is again plucked and vibrates in the pattern shown. Does string 2 again vibrate in the pattern shown, and why or why not? (A) Yes, because waves again carry some of the energy produced by string 1 to string 2 (B) Yes, because the strings share the same fundamental frequency (C) No, because the amplitude of the vibration of string 1 becomes zero too quickly for string 2 to start vibrating (D) No, because almost no energy associated with the vibration of string 1 reaches string 2-9-

7 19. The figure above represents standing wave patterns in two identical tubes. The tubes contain the same amount of water, and the standing waves are produced by holding a vibrating tuning fork near the top of each tube. What is the relationship between the wavelengths l X and l Y of the standing waves? (A) lx 1 = ly 7 (B) lx 2 = ly 7 (C) lx 7 = ly 2 (D) l = 7l X Y 20. A system consists of a disk rotating on a frictionless axle and a piece of clay moving toward it, as shown in the figure above. The outside edge of the disk is moving at a linear speed v, and the clay is moving at speed v 2. The clay sticks to the outside edge of the disk. How does the angular momentum of the system after the clay sticks compare to the angular momentum of the system before the clay sticks, and what is an explanation for the comparison? (A) It is the same because there is no external torque acting on the system. (B) It is greater because the rotating mass increases, which increases the rotational inertia. (C) It is less because the speed of the disk decreases when the clay sticks to it. (D) It is less because the angular momentum of the clay opposes that of the disk. -10-

8 21. A disk of known radius and rotational inertia can rotate without friction in a horizontal plane around its fixed central axis. The disk has a cord of negligible mass wrapped around its edge. The disk is initially at rest, and the cord can be pulled to make the disk rotate. Which of the following procedures would best determine the relationship between applied torque and the resulting change in angular momentum of the disk? (A) Pulling on the cord, exerting a force of 15 N for 2 s and then 25 N for 3 s, and measuring the final angular velocity of the disk (B) For five different time intervals, pulling on the cord, exerting a force of 15 N, and then measuring the angle through which the disk rotates in each case (C) For five different time intervals, pulling on the cord, exerting a force of 15 N, and then measuring the final angular velocity of the disk (D) For five forces of different magnitude, pulling on the cord for 5 s, and then measuring the final angular velocity of the disk 22. When object X with charge + 2 mc is 1 m from object Y with charge - 3 mc, the magnitude of the force between them is F. Object Y is removed, and object Z with charge - 2 mc is placed 2 m from object X. What is the magnitude of the force between objects X and Z? (A) F 2 (B) F 3 (C) F 4 (D) F Each of the figures above shows a tractor attached to an object. The tractor exerts the same constant force F on each object in every case. Which of the following is a true statement about an object and the relative magnitude of the force exerted by the object on the tractor? (A) The magnitude of the force exerted by the truck on the tractor is greatest, because the resulting motion is in the direction opposite the tractor s pull. (B) The magnitude of the force exerted by the boulder on the tractor is least, because no motion results. (C) The magnitude of the force exerted by the wagon on the tractor is least, because the resulting motion is in the direction of the tractor s pull. (D) The magnitude of the force exerted by each object on the tractor is equal, because the tractor exerts an equal force on each object. -11-

9 24. A planet is in an elliptical orbit around a star, as shown above. Which of the following best represents the mechanical energy E of just the planet and the mechanical energy E - of the star-planet system as planet functions of time for one complete orbit? (A) star planet (B) (C) (D) -12-

10 25. A cart of known mass moves with known speed along a level, frictionless track, as shown in the figure above. The cart hits a force sensor and rebounds. The force sensor measures the force exerted on the cart as a function of time and as a function of the position of the cart. The results will be graphed on the axes shown. Which of the two graphs can be used to determine the cart s speed after it rebounds? (A) Only graph 1; graph 2 will have no information useful for finding the speed. (B) Only graph 2; graph 1 will have no information useful for finding the speed. (C) Either graph 1 or graph 2 can be used. (D) Neither graph alone is sufficient; both graph 1 and graph 2 are needed. 26. The figure above represents the orbits of two planets of equal mass that orbit their star in the counterclockwise direction as a double-planet system. From the point of view of an observer on either planet, the planets appear to orbit each other while also orbiting the star. The dots on the orbits represent the position of the planets at time t 0, and X is the position of their center of mass at that time. Which of the following arrows best represents the acceleration of the center of mass of the double-planet system when it is at point X? (A) (B) (C) (D) -13-

11 27. Two identical blocks are connected to the opposite ends of a compressed spring. The blocks initially slide together on a frictionless surface with velocity v to the right. The spring is then released by remote control. At some later instant, the left block is moving at v 2 to the left, and the other block is moving to the right. What is the speed of the center of mass of the system at that instant? (A) 5v 2 (B) 3v 2 (C) v (D) v A person holds a book at rest a few feet above a table. The person then lowers the book at a slow constant speed and places it on the table. Which of the following accurately describes the change in the total mechanical energy of the Earth-book system? (A) The total mechanical energy is unchanged, because there is no change in the book s kinetic energy as it is lowered to the table. (B) The total mechanical energy is unchanged, because no work is done on the Earth-book system while the book is lowered. (C) The total mechanical energy decreases, because the person does positive work on the book by exerting a force that opposes the gravitational force. (D) The total mechanical energy decreases, because the person does negative work on the book by exerting a force on the book in the direction opposite to its displacement. -14-

12 Questions refer to the following material. A system consists of two spheres, of mass m and 2m, connected by a rod of negligible mass, as shown above. The system is held at its center of mass with the rod horizontal and released from rest near Earth s surface at time t = The graph above shows the rate of change of linear momentum of the sphere of mass m as a function of time. What is the linear momentum of the two-sphere system at time t = 3.0 s? (A) 5 kgi m s (B) 15 kgi m s (C) 45 kgim s (D) 60 kgim s 30. Which of the following best explains why the system does not rotate around its center of mass as it falls? (A) The Earth exerts the same gravitational force on both spheres, causing them to accelerate at the same rate. (B) The Earth exerts the same gravitational force on both spheres, generating torques that cancel out. (C) The Earth exerts a larger gravitational force on the sphere of mass 2m, but that sphere is closer to the center of mass and the torques cancel out. (D) The Earth exerts a larger gravitational force on the sphere of mass 2m, but that sphere has more inertia and the torques cancel out. -15-

13 31. A person is running on a track. Which of the following forces propels the runner forward? (A) The normal force exerted by the ground on the person (B) The normal force exerted by the person on the ground (C) The force of friction exerted by the ground on the person (D) The force of friction exerted by the person on the ground 32. In a one-dimensional perfectly elastic collision, an object of mass m is traveling with speed v 0 in the +x-direction when it strikes an object with mass 3m that is at rest. What are the objects velocities following the collision? Object of Mass m Object of Mass 3m (A) Zero v 0 3, + x (B) 0 4, x v 0 2, x (C) v 0 2, x v 0 2, x (D) v 0 2, v 0 2, x -16-

14 33. A student conducts an experiment to determine the relationship between applied torque and change in angular velocity. The student uses the apparatus shown in the figure above, consisting of two disks that are glued together and mounted on a horizontal axle. Blocks of varying mass are hung from a string wound around the smaller disk. The blocks are released from rest, exerting different torques on the disks, and are allowed to fall a fixed distance. For each block, the time of fall t and the final angular velocity w f of the disks are measured. There is considerable friction between the disks and the axle. Which of the following best represents a plot that can be obtained from the student s data? (A) (B) (C) (D) -17-

15 34. An athlete with mass m running at speed v grabs a light rope that hangs from a ceiling of height H and swings to a maximum height of h 1. In another room with a lower ceiling of height H 2, a second athlete with mass 2m running at the same speed v grabs a light rope hanging from the ceiling and swings to a maximum height of h 2. How does the maximum height reached by the two athletes compare, and why? (A) The first athlete reaches a greater height, because this athlete swings on a longer rope. (B) The second athlete reaches a greater height, because this athlete has a greater mass. (C) The two athletes reach the same height, because the effect of the rope length offsets the effect of the athletes masses. (D) The two athletes reach the same height, because the athletes run with the same speed. -18-

16 Questions refer to the following material. Two identical spaceships are traveling in deep space, far from any planets or stars. The ships travel in the same direction, with the slower one directly behind the faster one. The ships are connected by a cable attached to a spool, so that the part of the cable outside the ships can be made longer or shorter as needed. The cable is used to bring the ships to the same speed for a transfer of cargo. The graph above shows the speed of the two ships during a 10 s interval. 35. Does at least one of the ships have its engine turned on during the time interval shown, and what evidence indicates so? (A) Yes, because Ship 2 is speeding up. (B) Yes, because the momentum of the two-rocket system increases. (C) Yes, because an engine is needed to keep the system moving. (D) No, because the cable alone could be responsible for making Ship 1 slow down and Ship 2 speed up. 36. Which of the following graphs best represents the net force F net exerted on the two-ship system? (A) (B) (C) (D) -19-

### AP Physics 1 Multiple Choice Questions - Chapter 4

1 Which of ewton's Three Laws of Motion is best expressed by the equation F=ma? a ewton's First Law b ewton's Second Law c ewton's Third Law d one of the above 4.1 2 A person is running on a track. Which

### 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

### 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

### frictionless horizontal surface. The bullet penetrates the block and emerges with a velocity of o

AP Physics Free Response Practice Momentum and Impulse 1976B2. A bullet of mass m and velocity v o is fired toward a block of mass 4m. The block is initially at rest on a v frictionless horizontal surface.

### 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

### 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

### Test Booklet. Subject: SC, Grade: HS 2008 Grade High School Physics. Student name:

Test ooklet Subject: S, Grade: HS 2008 Grade High School Physics Student name: uthor: North arolina istrict: North arolina Released Tests Printed: Monday July 09, 2012 1 n object is launched across a room.

### HATZIC SECONDARY SCHOOL

HATZIC SECONDARY SCHOOL PROVINCIAL EXAMINATION ASSIGNMENT VECTOR DYNAMICS MULTIPLE CHOICE / 45 OPEN ENDED / 75 TOTAL / 120 NAME: 1. Unless acted on by an external net force, an object will stay at rest

### 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 =

### AP Physics Free Response Practice Oscillations

AP Physics Free Response Practice Oscillations 1975B7. A pendulum consists of a small object of mass m fastened to the end of an inextensible cord of length L. Initially, the pendulum is drawn aside through

### (a) On the dots below that represent the students, draw and label free-body diagrams showing the forces on Student A and on Student B.

2003 B1. (15 points) A rope of negligible mass passes over a pulley of negligible mass attached to the ceiling, as shown above. One end of the rope is held by Student A of mass 70 kg, who is at rest on

### RELEASED. Go to next page. 2. The graph shows the acceleration of a car over time.

1. n object is launched across a room. How can a student determine the average horizontal velocity of the object using a meter stick and a calculator? The student can calculate the object s initial potential

### Q1. Which of the following is the correct combination of dimensions for energy?

Tuesday, June 15, 2010 Page: 1 Q1. Which of the following is the correct combination of dimensions for energy? A) ML 2 /T 2 B) LT 2 /M C) MLT D) M 2 L 3 T E) ML/T 2 Q2. Two cars are initially 150 kilometers

### 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

### PHYS 101 Previous Exam Problems. Force & Motion I

PHYS 101 Previous Exam Problems CHAPTER 5 Force & Motion I Newton s Laws Vertical motion Horizontal motion Mixed forces Contact forces Inclines General problems 1. A 5.0-kg block is lowered with a downward

### 1. A sphere with a radius of 1.7 cm has a volume of: A) m 3 B) m 3 C) m 3 D) 0.11 m 3 E) 21 m 3

1. A sphere with a radius of 1.7 cm has a volume of: A) 2.1 10 5 m 3 B) 9.1 10 4 m 3 C) 3.6 10 3 m 3 D) 0.11 m 3 E) 21 m 3 2. A 25-N crate slides down a frictionless incline that is 25 above the horizontal.

### Physics 121, Sections 1 and 2, Winter 2011 Instructor: Scott Bergeson Exam #3 April 16 April 21, 2011 RULES FOR THIS TEST:

Physics 121, Sections 1 and 2, Winter 2011 Instructor: Scott Bergeson Exam #3 April 16 April 21, 2011 RULES FOR THIS TEST: This test is closed book. You may use a dictionary. You may use your own calculator

### 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

### PHYS 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

### Twentieth SLAPT Physics Contest Southern Illinois University Edwardsville April 30, Mechanics Test

Twentieth SLAPT Physics Contest Southern Illinois University Edwardsville April 30, 2005 Mechanics Test Please answer the following questions on the supplied answer sheet. You may write on this test booklet,

### C) D) 2. The diagram below shows a worker using a rope to pull a cart.

1. Which graph best represents the relationship between the acceleration of an object falling freely near the surface of Earth and the time that it falls? 2. The diagram below shows a worker using a rope

### 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

### (A) I only (B) III only (C) I and II only (D) II and III only (E) I, II, and III

1. A solid metal ball and a hollow plastic ball of the same external radius are released from rest in a large vacuum chamber. When each has fallen 1m, they both have the same (A) inertia (B) speed (C)

### Name Lesson 7. Homework Work and Energy Problem Solving Outcomes

Physics 1 Name Lesson 7. Homework Work and Energy Problem Solving Outcomes Date 1. Define work. 2. Define energy. 3. Determine the work done by a constant force. Period 4. Determine the work done by a

### Physics 201 Midterm Exam 3

Name: Date: _ Physics 201 Midterm Exam 3 Information and Instructions Student ID Number: Section Number: TA Name: Please fill in all the information above Please write and bubble your Name and Student

### Base your answers to questions 5 and 6 on the information below.

1. A car travels 90. meters due north in 15 seconds. Then the car turns around and travels 40. meters due south in 5.0 seconds. What is the magnitude of the average velocity of the car during this 20.-second

### Phys101 Second Major-173 Zero Version Coordinator: Dr. M. Al-Kuhaili Thursday, August 02, 2018 Page: 1. = 159 kw

Coordinator: Dr. M. Al-Kuhaili Thursday, August 2, 218 Page: 1 Q1. A car, of mass 23 kg, reaches a speed of 29. m/s in 6.1 s starting from rest. What is the average power used by the engine during the

### 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,

### AP Physics C: Rotation II. (Torque and Rotational Dynamics, Rolling Motion) Problems

AP Physics C: Rotation II (Torque and Rotational Dynamics, Rolling Motion) Problems 1980M3. A billiard ball has mass M, radius R, and moment of inertia about the center of mass I c = 2 MR²/5 The ball is

### 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?

### Midterm Prep. 1. Which combination correctly pairs a vector quantity with its corresponding unit?

Name: ate: 1. Which combination correctly pairs a vector quantity with its corresponding unit?. weight and kg. velocity and m/s. speed and m/s. acceleration and m 2 /s 2. 12.0-kilogram cart is moving at

### 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

### Potential Energy & Conservation of Energy

PHYS 101 Previous Exam Problems CHAPTER 8 Potential Energy & Conservation of Energy Potential energy Conservation of energy conservative forces Conservation of energy friction Conservation of energy external

### 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

### Chapter 8, Rotational Equilibrium and Rotational Dynamics. 3. If a net torque is applied to an object, that object will experience:

CHAPTER 8 3. If a net torque is applied to an object, that object will experience: a. a constant angular speed b. an angular acceleration c. a constant moment of inertia d. an increasing moment of inertia

### November 16, 2006 PHYS101 Test2 - Free Response Section Page 3

Last Name: First Name: Print your LAST and FIRST name on the front of your blue book, on this question sheet, the multiple-choice question sheet and the multiple-choice answer sheet. TIME ALLOWED 90 MINUTES

### Physics Test Review: Mechanics Session: Name:

Directions: For each statement or question, write in the answer box, the number of the word or expression that, of those given, best completes the statement or answers the question. 1. The diagram below

### 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

### AP Physics C: Mechanics Practice (Systems of Particles and Linear Momentum)

AP Physics C: Mechanics Practice (Systems of Particles and Linear Momentum) 1980M2. A block of mass m slides at velocity v o across a horizontal frictionless surface toward a large curved movable ramp

### PHYS 1303 Final Exam Example Questions

PHYS 1303 Final Exam Example Questions (In summer 2014 we have not covered questions 30-35,40,41) 1.Which quantity can be converted from the English system to the metric system by the conversion factor

### 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

### NAME. (2) Choose the graph below that represents the velocity vs. time for constant, nonzero acceleration in one dimension.

(1) The figure shows a lever (which is a uniform bar, length d and mass M), hinged at the bottom and supported steadily by a rope. The rope is attached a distance d/4 from the hinge. The two angles are

### 3.The wrecking crane shown is moving toward a brick wall that is to be torn down.

Test Name: Physics Practice Test Section 1 1.Which of the following best classifies a material that has extremely low conductivity? 1. A. semiconductor B. insulator C. metalloid D. conductor 2.Which of

### Chapter 19 Practice Test 2

Chapter 19 Practice Test PHYSICS C Physics C has two exams: Physics C (Mechanics) and Physics C (Electricity & Magnetism): Physics C (Mechanics) Physics C (Electricity & Magnetism) First 45 min. Sec. I,

### 5. A car moves with a constant speed in a clockwise direction around a circular path of radius r, as represented in the diagram above.

1. The magnitude of the gravitational force between two objects is 20. Newtons. If the mass of each object were doubled, the magnitude of the gravitational force between the objects would be A) 5.0 N B)

### 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.

### - 1 -APPH_MidTerm. Mid - Term Exam. Part 1: Write your answers to all multiple choice questions in this space. A B C D E A B C D E

Name - 1 -APPH_MidTerm AP Physics Date Mid - Term Exam Part 1: Write your answers to all multiple choice questions in this space. 1) 2) 3) 10) 11) 19) 20) 4) 12) 21) 5) 13) 22) 6) 7) 14) 15) 23) 24) 8)

### QuickCheck 1.5. An ant zig-zags back and forth on a picnic table as shown. The ant s distance traveled and displacement are

APPY1 Review QuickCheck 1.5 An ant zig-zags back and forth on a picnic table as shown. The ant s distance traveled and displacement are A. 50 cm and 50 cm B. 30 cm and 50 cm C. 50 cm and 30 cm D. 50 cm

### 11. (7 points: Choose up to 3 answers) What is the tension,!, in the string? a.! = 0.10 N b.! = 0.21 N c.! = 0.29 N d.! = N e.! = 0.

A harmonic wave propagates horizontally along a taut string of length! = 8.0 m and mass! = 0.23 kg. The vertical displacement of the string along its length is given by!!,! = 0.1!m cos 1.5!!! +!0.8!!,

### Summer Physics 41 Pretest. Shorty Shorts (2 pts ea): Circle the best answer. Show work if a calculation is required.

Summer Physics 41 Pretest Name: Shorty Shorts (2 pts ea): Circle the best answer. Show work if a calculation is required. 1. An object hangs in equilibrium suspended by two identical ropes. Which rope

### Dynamics Multiple Choice Homework

Dynamics Multiple Choice Homework PSI Physics Name 1. In the absence of a net force, a moving object will A. slow down and eventually stop B. stop immediately C. turn right D. move with constant velocity

### 1. The diagram below shows the variation with time t of the velocity v of an object.

1. The diagram below shows the variation with time t of the velocity v of an object. The area between the line of the graph and the time-axis represents A. the average velocity of the object. B. the displacement

### 2017 PHYSICS FINAL REVIEW PACKET EXAM BREAKDOWN

2017 PHYSICS FINAL REVIEW PACKET EXAM BREAKDOWN Topics: Forces Motion Momentum Gravity Electrostatics DATE: TIME: ROOM: PROCTOR: YOU ARE REQUIRED TO BRING: 1. CALCULATOR (YOUR OWN NO SHARING) 2. PENCIL

### 1. (P2.1A) The picture below shows a ball rolling along a table at 1 second time intervals. What is the object s average velocity after 6 seconds?

PHYSICS FINAL EXAM REVIEW FIRST SEMESTER (01/2017) UNIT 1 Motion P2.1 A Calculate the average speed of an object using the change of position and elapsed time. P2.1B Represent the velocities for linear

### A) 4.0 m/s B) 5.0 m/s C) 0 m/s D) 3.0 m/s E) 2.0 m/s. Ans: Q2.

Coordinator: Dr. W. Al-Basheer Thursday, July 30, 2015 Page: 1 Q1. A constant force F ( 7.0ˆ i 2.0 ˆj ) N acts on a 2.0 kg block, initially at rest, on a frictionless horizontal surface. If the force causes

### AP PHYSICS 1 UNIT 4 / FINAL 1 PRACTICE TEST

AP PHYSICS 1 UNIT 4 / FINAL 1 PRACTICE TEST NAME FREE RESPONSE PROBLEMS Put all answers on this test. Show your work for partial credit. Circle or box your answers. Include the correct units and the correct

### 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

### 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

### Review Chapter 1 and 2 [184 marks]

Review Chapter 1 and 2 [184 marks] This question is in two parts. Part 1 is about momentum. Part 2 is about electric point charges. Part 1 Momentum 1a. State the law of conservation of linear momentum.

### 2. To study circular motion, two students use the hand-held device shown above, which consists of a rod on which a spring scale is attached.

1. A ball of mass M attached to a string of length L moves in a circle in a vertical plane as shown above. At the top of the circular path, the tension in the string is twice the weight of the ball. At

### (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

### The graph shows how an external force applied to an object of mass 2.0 kg varies with time. The object is initially at rest.

T2-2 [195 marks] 1. The graph shows how an external force applied to an object of mass 2.0 kg varies with time. The object is initially at rest. What is the speed of the object after 0.60 s? A. 7.0 ms

### 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

### 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.

### Written Homework problems. Spring (taken from Giancoli, 4 th edition)

Written Homework problems. Spring 014. (taken from Giancoli, 4 th edition) HW1. Ch1. 19, 47 19. Determine the conversion factor between (a) km / h and mi / h, (b) m / s and ft / s, and (c) km / h and m

### Exam 2: Equation Summary

MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department of Physics 8.01 Physics Fall Term 2012 Exam 2: Equation Summary Newton s Second Law: Force, Mass, Acceleration: Newton s Third Law: Center of Mass: Velocity

### Page 1. Name: Section This assignment is due at the first class in 2019 Part I Show all work!

Name: Section This assignment is due at the first class in 2019 Part I Show all work! 7164-1 - Page 1 1) A car travels at constant speed around a section of horizontal, circular track. On the diagram provided

### Practice Final C. 1. The diagram below shows a worker using a rope to pull a cart.

1. The diagram below shows a worker using a rope to pull a cart. 6. The graph below represents the relationship between gravitational force and mass for objects near the surface of Earth. The worker s

### Name: AP Physics C: Kinematics Exam Date:

Name: AP Physics C: Kinematics Exam Date: 1. An object slides off a roof 10 meters above the ground with an initial horizontal speed of 5 meters per second as shown above. The time between the object's

### 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

### PHYSICS 221 SPRING EXAM 2: March 30, 2017; 8:15pm 10:15pm

PHYSICS 221 SPRING 2017 EXAM 2: March 30, 2017; 8:15pm 10:15pm Name (printed): Recitation Instructor: Section # Student ID# INSTRUCTIONS: This exam contains 25 multiple-choice questions plus 2 extra credit

### Physics 201 Midterm Exam 3

Physics 201 Midterm Exam 3 Information and Instructions Student ID Number: Section Number: TA Name: Please fill in all the information above. Please write and bubble your Name and Student Id number on

### 1. A train moves at a constant velocity of 90 km/h. How far will it move in 0.25 h? A. 10 km B km C. 25 km D. 45 km E. 50 km

Name: Physics I Mid Term Exam Review Multiple Choice Questions Date: Mr. Tiesler 1. A train moves at a constant velocity of 90 km/h. How far will it move in 0.25 h? A. 10 km B. 22.5 km C. 25 km D. 45 km

### 1 In the absence of a net force, a moving object will. slow down and eventually stop stop immediately turn right move with constant velocity turn left

Slide 1 / 51 1 In the absence of a net force, a moving object will slow down and eventually stop stop immediately turn right move with constant velocity turn left Slide 2 / 51 2 When a cat sleeps on a

### 3. How long must a 100 N net force act to produce a change in momentum of 200 kg m/s? (A) 0.25 s (B) 0.50 s (C) 1.0 s (D) 2.0 s (E) 4.

AP Physics Multiple Choice Practice Momentum and Impulse 1. A car of mass m, traveling at speed v, stops in time t when maximum braking force is applied. Assuming the braking force is independent of mass,

### Name: Class: 903 Active Physics Winter Break Regents Prep December 2014

In this section use the following equations for velocity and displacement to solve: 1. In a drill during basketball practice, a player runs the length of the 30.meter court and back. The player does this

### Exam 3 Practice Solutions

Exam 3 Practice Solutions Multiple Choice 1. A thin hoop, a solid disk, and a solid sphere, each with the same mass and radius, are at rest at the top of an inclined plane. If all three are released at

### v (m/s) 10 d. displacement from 0-4 s 28 m e. time interval during which the net force is zero 0-2 s f. average velocity from 0-4 s 7 m/s x (m) 20

Physics Final Exam Mechanics Review Answers 1. Use the velocity-time 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 2-4 s 2 m/s 2 2 4 t (s)

### 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

### AAPT UNITED STATES PHYSICS TEAM AIP 2017

2017 F = ma Exam 1 AAPT UNITED STATES PHYSICS TEAM AIP 2017 2017 F = ma Contest 25 QUESTIONS - 75 MINUTES INSTRUCTIONS DO NOT OPEN THIS TEST UNTIL YOU ARE TOLD TO BEGIN Use g = 10 N/kg throughout this

### Review PHYS114 Chapters 4-7

Review PHYS114 Chapters 4-7 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A 27 kg object is accelerated at a rate of 1.7 m/s 2. What force does

### Unit 2: Vector Dynamics

Multiple Choice Portion Unit 2: Vector Dynamics 1. Which one of the following best describes the motion of a projectile close to the surface of the Earth? (Assume no friction) Vertical Acceleration Horizontal

### 1. Which one of the following situations is an example of an object with a non-zero kinetic energy?

Name: Date: 1. Which one of the following situations is an example of an object with a non-zero kinetic energy? A) a drum of diesel fuel on a parked truck B) a stationary pendulum C) a satellite in geosynchronous

### 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

### Physics 101. Hour Exam 2 Spring Last Name: First Name Network-ID Discussion Section: Discussion TA Name:

Last Name: First Name Network-ID Discussion Section: Discussion TA Name: Instructions Turn off your cell phone and put it away. This is a closed book exam. You have ninety (90) minutes to complete it.

### An object moves back and forth, as shown in the position-time graph. At which points is the velocity positive?

1 The slope of the tangent on a position-time graph equals the instantaneous velocity 2 The area under the curve on a velocity-time graph equals the: displacement from the original position to its position

### Multiple Choice Review for Final Exam ~ Physics 1020

Multiple Choice Review for Final Exam ~ Physics 1020 1. You are throwing a ball straight up in the air. At the highest point, the ball s a) velocity and acceleration are zero b) velocity is nonzero, but

### 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

### RELEASED FORM RELEASED. North Carolina Test of Physics

Name Physics Form North arolina Test of Physics RELESE Public Schools of North arolina www.ncpublicschools.org State oard of Education epartment of Public Instruction ivision of ccountability Services/North

### 5. Use the graph below to determine the displacement of the object at the end of the first seven seconds.

Name: Hour: 1. The slope of the tangent on a position-time graph equals the: Sem 1 Exam Review Advanced Physics 2015-2016 2. The area under the curve on a velocity-time graph equals the: 3. The graph below

### AP Physics 1: MIDTERM REVIEW OVER UNITS 2-4: KINEMATICS, DYNAMICS, FORCE & MOTION, WORK & POWER

MIDTERM REVIEW AP Physics 1 McNutt Name: Date: Period: AP Physics 1: MIDTERM REVIEW OVER UNITS 2-4: KINEMATICS, DYNAMICS, FORCE & MOTION, WORK & POWER 1.) A car starts from rest and uniformly accelerates

### Figure 1 Answer: = m

Q1. Figure 1 shows a solid cylindrical steel rod of length =.0 m and diameter D =.0 cm. What will be increase in its length when m = 80 kg block is attached to its bottom end? (Young's modulus of steel

### PHYS 101 Previous Exam Problems. Kinetic Energy and

PHYS 101 Previous Exam Problems CHAPTER 7 Kinetic Energy and Work Kinetic energy Work Work-energy theorem Gravitational work Work of spring forces Power 1. A single force acts on a 5.0-kg object in such

### University of Houston Mathematics Contest: Physics Exam 2017

Unless otherwise specified, please use g as the acceleration due to gravity at the surface of the earth. Vectors x, y, and z are unit vectors along x, y, and z, respectively. Let G be the universal gravitational

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

UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics Physics 5.3 FINAL EXAMINATION NAME: (Last) Please Print (Given) Time: 80 minutes STUDENT NO.: LECTURE SECTION (please check): 0

### Physics 12 Final Exam Review Booklet # 1

Physics 12 Final Exam Review Booklet # 1 1. Which is true of two vectors whose sum is zero? (C) 2. Which graph represents an object moving to the left at a constant speed? (C) 3. Which graph represents

### PHYSICS PAPER 1. (THEORY) (Three hours)

PHYSICS PAPER 1 (THEY) (Three hours) (Candidates are allowed additional 15 minutes for only reading the paper. They must NOT start writing during this time.) All questions are compulsory. Question number

### Physics Christmas Break Packet w/ Answers Which vector below represents the resultant of the two displacement vectors shown?

Physics hristmas reak Packet w/ nswers 2018 Name: ate: 1. Which vector below represents the resultant of the two displacement vectors shown? 4. The accompanying diagram represents a block sliding down