Phys 1401: General Physics I

Size: px
Start display at page:

Download "Phys 1401: General Physics I"

Transcription

1 1. (0 Points) What course is this? a. PHYS 1401 b. PHYS 1402 c. PHYS 2425 d. PHYS (0 Points) Which exam is this? a. Exam 1 b. Exam 2 c. Final Exam 3. (0 Points) What version of the exam is this? a. A b. B c. C d. D 4. Which of these is equivalent to the SI unit of force, the newton? a. kg m/s b. kg m²/s c. kg m²/s² d. kg² m/s² e. kg m/s² 5. Which kinematics quantity is most closely tied to the concept of force? a. Position b. Displacement c. Velocity d. Speed e. Acceleration 6. Which of the following statements is correct? a. If an object currently has no forces acting on it, it cannot possibly be moving. b. If an object currently does have forces acting on it, it cannot possibly be stationary. c. Both (a) and (b) are true. d. Neither (a) nor (b) is true. 7. A bug hits the windshield of a fast-moving car. Which object experiences more force due to the impact? a. The bug. b. The car. c. They experience the same force. 8. Two books are stacked on a desk. Which is the proper description of the normal force acting on the bottom book and caused by the top book? a. Downward and equal to the weight of the top book. b. Upward and equal to the weight of the top book. c. Downward and equal to the combined weight of both books. d. Upward and equal to the combined weight of both books. e. Downward and equal to the weight of the bottom book. 9. If a 5.0 kg mass is hanging at rest from a string, what is the tension in the string? a. 0.0 N b N c. 2.0 N d. 5.0 N e. 49 N 10. If a 5.0 kg mass is hanging from a string, moving upward at a constant 3 m/s, what is the tension in the string? a. 0 N b. 15 N c. 35 N d. 50 N e. 65 N

2 11. An object is sitting on the flat floor of an elevator. The normal force exerted on the object by the elevator is affected by: a. The vertical velocity component. b. The horizontal velocity component. c. The vertical acceleration component. d. The horizontal acceleration component. e. Both (a) and (c). 12. When an object is on an inclined ramp (0 < θ < 90 ), the magnitude of the normal force is a. 0 b. mg c. mg sin(θ) d. mg cos(θ) e. mg tan(θ) 13. A 3 kg block is sitting at rest on a ramp at an angle of 10. The coefficient of static friction between the block and the ramp is 0.5. What is the magnitude of the friction force acting on the block? a. 2.6 N b. 5.1 N c N d N e N 14. Three 2 kg masses are attached in a horizontal train using small strings. If a 12 N force is pulling the front mass forward, what is the tension force on the back mass? a. 12 N b. 8 N c. 6 N d. 4 N e. 3 N 15. When a car accelerates from rest to 30 m/s, what force propels the car forward? a. The friction force of the car on the road. b. The friction force of the road on the car. c. The normal force of the engine pushing on the car. d. The normal force of the engine pushing on the road. e. Gravity. 16. A block is on a frictionless ramp that is 1.5 m long. Starting from rest, the block is allowed to slide to the bottom of the ramp. What angle of the ramp will allow the block to reach the bottom in 1.1 s? a. 20 b. 15 c. 10 d. 5 e. 0

3 17. A bicycle traveling at 5 m/s needs to stop in a distance of 3 m. What coefficient of friction is required? a. 8.3 b. 4.2 c d e A half-atwood machine is built out of a 10 kg mass on a frictionless horizontal surface. It is attached to a horizontal string that passes over a pulley, and the other end of the string hangs vertically with a 12 kg mass at the bottom. If the system starts from rest, what is the magnitude of its acceleration 0.1 s later? a. 18 m/s² b. 9.8 m/s² c. 8.2 m/s² d. 5.4 m/s² e. 4.5 m/s² 19. An Atwood s Machine is built from m 1 = 1 kg and m 2 = 4 kg. The massless string is passed over a frictionless, massless pulley. When the system is released from rest, what is the tension in the string? a. Less than 9.8 N b. 9.8 N c. Between 9.8 N and 39.2 N d N e. More than 39.2 N 20. Which is a correct equation of motion for a the diagram shown? Assume the motion is in the indicated direction, and the system was released from rest. There is a friction coefficient of μ k between m 2 and the ramp. a. +m 2 g cos(θ) μ k m 2 g sin(θ) + m 1 g = (m 1 + m 2 )a b. +m 2 g sin(θ) + μ k m 2 g cos(θ) m 1 g = (m 1 + m 2 )a c. m 2 g cos(θ) + μ k m 2 g sin(θ) + m 1 g = (m 1 + m 2 )a d. m 2 g sin(θ) μ k m 2 g cos(θ) m 1 g = (m 1 + m 2 )a e. +m 2 g sin(θ) μ k m 2 g cos(θ) m 1 g = (m 1 + m 2 )a 21. The density of ice is 917 kg/m³. The density of seawater is about 1030 kg/m³. What percentage of the volume of a floating iceberg is sticking up above the surface of the water? a. 89% b. 50% c. 12% d. 11% e. 0%

4 22. A magnesium block has a weight of 34.8 N. When the block is suspended under water by a string, the tension in the string is 14.8 N. What is the density of magnesium? a kg/m³ b kg/m³ c kg/m³ d kg/m³ e kg/m³ 23. A heavy ball is held up by two strings. One is horizontal while the other is tilted at an angle of 60 from the horizontal. The tension in the diagonal string (T 1 in the diagram) is 50 N. What is the weight of the ball? a. 25 N b. 29 N c. 43 N d. 50 N e. 87 N 24. An ideal meter stick is balanced on a pencil which is at the 30 cm mark. A 150 g mass sits at the 20 cm mark. What is the mass of the meter stick? a. 50 g b. 75 g c. 90 g d. 150 g e. 300 g 25. The free body diagram below represents a 1500 kg car sitting on a 3000 kg bridge supported at its far ends. The car's position is three quarters of the length L from the left end of the bridge. Identify the one error in the torque equation: F 1 L F g (L/2) F car (3L/4) + F 2 L = 0 (Hint: figure out where the pivot point should be so that there is only one error in the equation.) a. F 1 L should be negative. b. F 1 L should be 0. c. F 2 L should be 0. d. F car (3L/4) should be F car (L/4) e. There is no error.

5 26. A student has drawn a free-body diagram for a ladder of mass m leaning against a frictionless wall. The diagram is shown below. What is the error in the diagram? a. f s is in the wrong direction. b. F wall should be directed upwards, not down. c. F wall should be perpendicular to the wall, not parallel to it. d. n should be down into the floor for f s to have the given direction. e. F wall should be diagonal or split into components. 27. A diagonal bar is pinned at the origin and extends up to (6 m)i + (8 m)j. Its weight is 10 N. How much torque about the pin does the gravitational force of Earth cause? (As usual, j is the vectical direction.) a. 10 N m b. 30 N m c. 40 N m d. 60 N m e. 100 N m 28. A uniform beam having a mass of 60 kg and a length of 2.8 m is held in place at its lower end by a pin. Its upper end leans against a vertical frictionless wall as shown in the figure. What is the magnitude of the force the pin exerts on the beam? a kn b kn c kn d kn e kn

Phys 1401: General Physics I

Phys 1401: General Physics I 1. (0 Points) What course is this? a. PHYS 1401 b. PHYS 1402 c. PHYS 2425 d. PHYS 2426 2. (0 Points) Which exam is this? a. Exam 1 b. Exam 2 c. Final Exam 3. (0 Points) What version of the exam is this?

More information

= 40 N. Q = 60 O m s,k

= 40 N. Q = 60 O m s,k Sample Exam #2 Technical Physics Multiple Choice ( 6 Points Each ): F app = 40 N 20 kg Q = 60 O = 0 1. A 20 kg box is pulled along a frictionless floor with an applied force of 40 N. The applied force

More information

Equilibrium & Elasticity

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

More information

Review: Advanced Applications of Newton's Laws

Review: Advanced Applications of Newton's Laws Review: Advanced Applications of Newton's Laws 1. The free-body diagram of a wagon being pulled along a horizontal surface is best represented by a. A d. D b. B e. E c. C 2. The free-body diagram of a

More information

PHYS 101 Previous Exam Problems. Force & Motion I

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

More information

Reading Quiz. Chapter 5. Physics 111, Concordia College

Reading Quiz. Chapter 5. Physics 111, Concordia College Reading Quiz Chapter 5 1. The coefficient of static friction is A. smaller than the coefficient of kinetic friction. B. equal to the coefficient of kinetic friction. C. larger than the coefficient of kinetic

More information

Physics B Newton s Laws AP Review Packet

Physics B Newton s Laws AP Review Packet Force A force is a push or pull on an object. Forces cause an object to accelerate To speed up To slow down To change direction Unit: Newton (SI system) Newton s First Law The Law of Inertia. A body in

More information

Exam 2 Phys Fall 2002 Version A. Name ID Section

Exam 2 Phys Fall 2002 Version A. Name ID Section Closed book exam - Calculators are allowed. Only the official formula sheet downloaded from the course web page can be used. You are allowed to write notes on the back of the formula sheet. Use the scantron

More information

AP Physics 1 Multiple Choice Questions - Chapter 4

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

More information

PSI AP Physics B Dynamics

PSI AP Physics B Dynamics PSI AP Physics B Dynamics Multiple-Choice questions 1. After firing a cannon ball, the cannon moves in the opposite direction from the ball. This an example of: A. Newton s First Law B. Newton s Second

More information

AP Physics First Nine Weeks Review

AP Physics First Nine Weeks Review AP Physics First Nine Weeks Review 1. If F1 is the magnitude of the force exerted by the Earth on a satellite in orbit about the Earth and F2 is the magnitude of the force exerted by the satellite on the

More information

Q16.: 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)

Q16.: 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 information

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

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

More information

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) 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.

More information

W = 750 m. PHYS 101 SP17 Exam 1 BASE (A) PHYS 101 Exams. The next two questions pertain to the situation described below.

W = 750 m. PHYS 101 SP17 Exam 1 BASE (A) PHYS 101 Exams. The next two questions pertain to the situation described below. PHYS 101 Exams PHYS 101 SP17 Exa BASE (A) The next two questions pertain to the situation described below. A boat is crossing a river with a speed to the water. The river is flowing at a speed W = 750

More information

Dynamics Multiple Choice Homework

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

More information

Lecture 6. Applying Newton s Laws Free body diagrams Friction

Lecture 6. Applying Newton s Laws Free body diagrams Friction Lecture 6 Applying Newton s Laws Free body diagrams Friction ACT: Bowling on the Moon An astronaut on Earth kicks a bowling ball horizontally and hurts his foot. A year later, the same astronaut kicks

More information

Phys101 Second Major-162 Zero Version Coordinator: Dr. Kunwar S. Saturday, March 25, 2017 Page: 1

Phys101 Second Major-162 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 information

You may use g = 10 m/s 2, sin 60 = 0.87, and cos 60 = 0.50.

You may use g = 10 m/s 2, sin 60 = 0.87, and cos 60 = 0.50. 1. A child pulls a 15kg sled containing a 5kg dog along a straight path on a horizontal surface. He exerts a force of a 55N on the sled at an angle of 20º above the horizontal. The coefficient of friction

More information

Webreview practice test. Forces (again)

Webreview practice test. Forces (again) Please do not write on test. ID A Webreview 4.3 - practice test. Forces (again) Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A 5.0-kg mass is suspended

More information

The next two questions pertain to the situation described below.

The next two questions pertain to the situation described below. PHYS 101 Exams PHYS 101 SP17 Exam 1 PRINT (A) The next two questions pertain to the situation described below. A boat is crossing a river with a speed v b = 8.3 m/s relative to the water. The river is

More information

Phys101 Lecture 5 Dynamics: Newton s Laws of Motion

Phys101 Lecture 5 Dynamics: Newton s Laws of Motion Phys101 Lecture 5 Dynamics: Newton s Laws of Motion Key points: Newton s second law is a vector equation Action and reaction are acting on different objects Free-Body Diagrams Ref: 4-1,2,3,4,5,6,7. Page

More information

CHAPTER 4 NEWTON S LAWS OF MOTION

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

More information

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

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

More information

PHYSICS 221, FALL 2009 EXAM #1 SOLUTIONS WEDNESDAY, SEPTEMBER 30, 2009

PHYSICS 221, FALL 2009 EXAM #1 SOLUTIONS WEDNESDAY, SEPTEMBER 30, 2009 PHYSICS 221, FALL 2009 EXAM #1 SOLUTIONS WEDNESDAY, SEPTEMBER 30, 2009 Note: The unit vectors in the +x, +y, and +z directions of a right-handed Cartesian coordinate system are î, ĵ, and ˆk, respectively.

More information

Exam 1 Solutions. PHY 2048 Spring 2014 Acosta, Rinzler. Note that there are several variations of some problems, indicated by choices in parentheses.

Exam 1 Solutions. PHY 2048 Spring 2014 Acosta, Rinzler. Note that there are several variations of some problems, indicated by choices in parentheses. Exam 1 Solutions Note that there are several variations of some problems, indicated by choices in parentheses. Problem 1 Let vector a! = 4î + 3 ĵ and vector b! = î + 2 ĵ (or b! = î + 4 ĵ ). What is the

More information

Chapter 5. Force and Motion I

Chapter 5. Force and Motion I Chapter 5 Force and Motion I 5 Force and Motion I 25 October 2018 PHY101 Physics I Dr.Cem Özdoğan 2 3 5-2 Newtonian Mechanics A force is a push or pull acting on a object and causes acceleration. Mechanics

More information

University Physics (Prof. David Flory) Chapt_06 Saturday, October 06, 2007 Page 1

University Physics (Prof. David Flory) Chapt_06 Saturday, October 06, 2007 Page 1 University Physics (Prof. David Flory) Chapt_06 Saturday, October 06, 2007 Page 1 Name: Date: 1. A crate resting on a rough horizontal floor is to be moved horizontally. The coefficient of static friction

More information

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.

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

More information

A. B. C. D. E. v x. ΣF x

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

More information

Potential Energy & Conservation of Energy

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

More information

PHYS 100 (from 221) Newton s Laws Week8. Exploring the Meaning of Equations

PHYS 100 (from 221) Newton s Laws Week8. Exploring the Meaning of Equations Exploring the Meaning of Equations Exploring the meaning of the relevant ideas and equations introduced recently. This week we ll focus mostly on Newton s second and third laws: Kinematics describes the

More information

WS-CH-4 Motion and Force Show all your work and equations used. Isaac Newton ( )

WS-CH-4 Motion and Force Show all your work and equations used. Isaac Newton ( ) AP PHYSICS 1 WS-CH-4 Motion and Force Show all your work and equations used. Isaac Newton (1643-1727) Isaac Newton was the greatest English mathematician of his generation. He laid the foundation for differential

More information

TEST REPORT. Question file: P Copyright:

TEST REPORT. Question file: P Copyright: Date: February-12-16 Time: 2:00:28 PM TEST REPORT Question file: P12-2006 Copyright: Test Date: 21/10/2010 Test Name: EquilibriumPractice Test Form: 0 Test Version: 0 Test Points: 138.00 Test File: EquilibriumPractice

More information

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.

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!!,

More information

Physics 211 Week 10. Statics: Walking the Plank (Solution)

Physics 211 Week 10. Statics: Walking the Plank (Solution) Statics: Walking the Plank (Solution) A uniform horizontal beam 8 m long is attached by a frictionless pivot to a wall. A cable making an angle of 37 o, attached to the beam 5 m from the pivot point, supports

More information

P F = ma Newton's Laws Hmk

P F = ma Newton's Laws Hmk Dyn Page 1 P11-3.2 - F = ma Newton's Laws Hmk What is the force required to accelerate a 12 kg object at 5 m/s squared? What is the force required to accelerate a 17 kg object at 3 m/s squared? What is

More information

CHAPTER 4 TEST REVIEW -- Answer Key

CHAPTER 4 TEST REVIEW -- Answer Key AP PHYSICS Name: Period: Date: DEVIL PHYSICS BADDEST CLASS ON CAMPUS 50 Multiple Choice 45 Single Response 5 Multi-Response Free Response 3 Short Free Response 2 Long Free Response AP EXAM CHAPTER TEST

More information

Upthrust and Archimedes Principle

Upthrust and Archimedes Principle 1 Upthrust and Archimedes Principle Objects immersed in fluids, experience a force which tends to push them towards the surface of the liquid. This force is called upthrust and it depends on the density

More information

HATZIC SECONDARY SCHOOL

HATZIC SECONDARY SCHOOL HATZIC SECONDARY SCHOOL PROVINCIAL EXAMINATION ASSIGNMENT STATIC EQUILIBRIUM MULTIPLE CHOICE / 33 OPEN ENDED / 80 TOTAL / 113 NAME: 1. State the condition for translational equilibrium. A. ΣF = 0 B. ΣF

More information

Physics 101 Lecture 5 Newton`s Laws

Physics 101 Lecture 5 Newton`s Laws Physics 101 Lecture 5 Newton`s Laws Dr. Ali ÖVGÜN EMU Physics Department The Laws of Motion q Newton s first law q Force q Mass q Newton s second law q Newton s third law qfrictional forces q Examples

More information

PYP 001 FIRST MAJOR EXAM CODE: TERM: 151 SATURDAY, OCTOBER 17, 2015 PAGE: 1

PYP 001 FIRST MAJOR EXAM CODE: TERM: 151 SATURDAY, OCTOBER 17, 2015 PAGE: 1 TERM: 151 SATURDAY, OCTOBER 17, 2015 PAGE: 1 *Read the following (20) questions and choose the right answer: 1 The figure below represents the speed-time graph for the motion of a vehicle during a 7.0-minute

More information

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

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

More information

PHYS 124 Section A1 Mid-Term Examination Spring 2006 SOLUTIONS

PHYS 124 Section A1 Mid-Term Examination Spring 2006 SOLUTIONS PHYS 14 Section A1 Mid-Term Examination Spring 006 SOLUTIONS Name Student ID Number Instructor Marc de Montigny Date Monday, May 15, 006 Duration 60 minutes Instructions Items allowed: pen or pencil, calculator

More information

The Laws of Motion. Newton s first law Force Mass Newton s second law Gravitational Force Newton s third law Examples

The Laws of Motion. Newton s first law Force Mass Newton s second law Gravitational Force Newton s third law Examples The Laws of Motion Newton s first law Force Mass Newton s second law Gravitational Force Newton s third law Examples Gravitational Force Gravitational force is a vector Expressed by Newton s Law of Universal

More information

Kinematics and Dynamics

Kinematics and Dynamics AP PHYS 1 Test Review Kinematics and Dynamics Name: Other Useful Site: http://www.aplusphysics.com/ap1/ap1- supp.html 2015-16 AP Physics: Kinematics Study Guide The study guide will help you review all

More information

Newton s First Law and IRFs

Newton s First Law and IRFs Goals: Physics 207, Lecture 6, Sept. 22 Recognize different types of forces and know how they act on an object in a particle representation Identify forces and draw a Free Body Diagram Solve 1D and 2D

More information

Chapter 4. Forces and Newton s Laws of Motion. continued

Chapter 4. Forces and Newton s Laws of Motion. continued Chapter 4 Forces and Newton s Laws of Motion continued 4.9 Static and Kinetic Frictional Forces When an object is in contact with a surface forces can act on the objects. The component of this force acting

More information

Exam 1 Stats: Average: 60% Approximate letter grade? Add 10%-12% (This is not a curve) This takes into account the HW, Lab, and Grade Replacement.

Exam 1 Stats: Average: 60% Approximate letter grade? Add 10%-12% (This is not a curve) This takes into account the HW, Lab, and Grade Replacement. Lec 11 Return Exam1 Intro Forces Tuesday, February 19, 2019 1:52 PM Exam 1 Stats: Average: 60% Approximate letter grade? Add 10%-12% (This is not a curve) This takes into account the HW, Lab, and Grade

More information

General Physics I Forces

General Physics I Forces General Physics I Forces Dynamics Isaac Newton (1643-1727) published Principia Mathematica in 1687. In this work, he proposed three laws of motion based on the concept of FORCE. A force is a push or a

More information

Physics 2211 ABC Quiz #3 Solutions Spring 2017

Physics 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 information

Dynamics; Newton s Laws of Motion

Dynamics; Newton s Laws of Motion Dynamics; Newton s Laws of Motion Force A force is any kind of push or pull on an object. An object at rest needs a force to get it moving; a moving object needs a force to change its velocity. The magnitude

More information

Name: Date: Period: AP Physics C Work HO11

Name: Date: Period: AP Physics C Work HO11 Name: Date: Period: AP Physics C Work HO11 1.) Rat pushes a 25.0 kg crate a distance of 6.0 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction

More information

AP Physics 1 - Test 05 - Force and Motion

AP Physics 1 - Test 05 - Force and Motion P Physics 1 - Test 05 - Force and Motion Score: 1. brick slides on a horizontal surface. Which of the following will increase the magnitude of the frictional force on it? Putting a second brick on top

More information

Phys101 Second Major-162 Zero Version Coordinator: Dr. Kunwar S. Saturday, March 25, 2017 Page: N Ans:

Phys101 Second Major-162 Zero Version Coordinator: Dr. Kunwar S. Saturday, March 25, 2017 Page: N Ans: 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 information

End-of-Chapter Exercises

End-of-Chapter Exercises End-of-Chapter Exercises For all these exercises, assume that all strings are massless and all pulleys are both massless and frictionless. We will improve our model and learn how to account for the mass

More information

Q2. A book whose mass is 2 kg rests on a table. Find the magnitude of the force exerted by the table on the book.

Q2. A book whose mass is 2 kg rests on a table. Find the magnitude of the force exerted by the table on the book. AP Physics 1- Dynamics Practice Problems FACT: Inertia is the tendency of an object to resist a change in state of motion. A change in state of motion means a change in an object s velocity, therefore

More information

Physics 101. Hour Exam I Fall Last Name: First Name Network-ID Discussion Section: Discussion TA Name:

Physics 101. Hour Exam I Fall 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. Keep your calculator on your own desk. Calculators cannot be shared. This

More information

PHYS 1303 Final Exam Example Questions

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

More information

LECTURE 12 FRICTION, STRINGS & SPRINGS. Instructor: Kazumi Tolich

LECTURE 12 FRICTION, STRINGS & SPRINGS. Instructor: Kazumi Tolich LECTURE 12 FRICTION, STRINGS & SPRINGS Instructor: Kazumi Tolich Lecture 12 2! Reading chapter 6-1 to 6-4! Friction " Static friction " Kinetic friction! Strings! Pulleys! Springs Origin of friction 3!!

More information

An Accelerating Hockey Puck

An Accelerating Hockey Puck Example 5.1 An Accelerating Hockey Puck A hockey puck having a mass of 0.30 kg slides on the frictionless, horizontal surface of an ice rink. Two hockey sticks strike the puck simultaneously, exerting

More information

(A) 10 m (B) 20 m (C) 25 m (D) 30 m (E) 40 m

(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 information

Phys101 First Major-061 Zero Version Coordinator: Abdelmonem Monday, October 30, 2006 Page: 1

Phys101 First Major-061 Zero Version Coordinator: Abdelmonem Monday, October 30, 2006 Page: 1 Coordinator: Abdelmonem Monday, October 30, 006 Page: 1 Q1. An aluminum cylinder of density.70 g/cm 3, a radius of.30 cm, and a height of 1.40 m has the mass of: A) 6.8 kg B) 45.1 kg C) 13.8 kg D) 8.50

More information

Solving two-body problems with Newton s Second Law. Example Static and Kinetic Friction. Section 5.1 Friction 10/15/13

Solving two-body problems with Newton s Second Law. Example Static and Kinetic Friction. Section 5.1 Friction 10/15/13 Solving two-body problems with Newton s Second Law You ll get multiple equations from the x and y directions, these equations can be solved simultaneously to find unknowns 1. Draw a separate free body

More information

Physics Exam 2 October 11, 2007

Physics Exam 2 October 11, 2007 INSTRUCTIONS: Write your NAME on the front of the blue exam booklet. The exam is closed book, and you may have only pens/pencils and a calculator (no stored equations or programs and no graphing). Show

More information

AP Physics C: Mechanics Practice (Newton s Laws including friction, resistive forces, and centripetal force).

AP Physics C: Mechanics Practice (Newton s Laws including friction, resistive forces, and centripetal force). AP Physics C: Mechanics Practice (Newton s Laws including friction, resistive forces, and centripetal force). 1981M1. A block of mass m, acted on by a force of magnitude F directed horizontally to the

More information

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

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

More information

MULTIPLE 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.

MULTIPLE 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 information

Static Equilibrium; Torque

Static Equilibrium; Torque Static Equilibrium; Torque The Conditions for Equilibrium An object with forces acting on it, but that is not moving, is said to be in equilibrium. The first condition for equilibrium is that the net force

More information

2. If a net horizontal force of 175 N is applied to a bike whose mass is 43 kg what acceleration is produced?

2. If a net horizontal force of 175 N is applied to a bike whose mass is 43 kg what acceleration is produced? Chapter Problems Newton s 2nd Law: Class Work 1. A 0.40 kg toy car moves at constant acceleration of 2.3 m/s 2. Determine the net applied force that is responsible for that acceleration. 2. If a net horizontal

More information

Chapter 9 TORQUE & Rotational Kinematics

Chapter 9 TORQUE & Rotational Kinematics Chapter 9 TORQUE & Rotational Kinematics This motionless person is in static equilibrium. The forces acting on him add up to zero. Both forces are vertical in this case. This car is in dynamic equilibrium

More information

PHYS 1303 Final Exam Example Questions

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

More information

PHYSICS 221, FALL 2010 EXAM #1 Solutions WEDNESDAY, SEPTEMBER 29, 2010

PHYSICS 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 right-handed Cartesian coordinate system are î, ĵ, and ˆk, respectively. In

More information

The Concept of Force Newton s First Law and Inertial Frames Mass Newton s Second Law The Gravitational Force and Weight Newton s Third Law Analysis

The Concept of Force Newton s First Law and Inertial Frames Mass Newton s Second Law The Gravitational Force and Weight Newton s Third Law Analysis The Laws of Motion The Concept of Force Newton s First Law and Inertial Frames Mass Newton s Second Law The Gravitational Force and Weight Newton s Third Law Analysis Models using Newton s Second Law Forces

More information

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

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

More information

Phys101 First Major-111 Zero Version Monday, October 17, 2011 Page: 1

Phys101 First Major-111 Zero Version Monday, October 17, 2011 Page: 1 Monday, October 17, 011 Page: 1 Q1. 1 b The speed-time relation of a moving particle is given by: v = at +, where v is the speed, t t + c is the time and a, b, c are constants. The dimensional formulae

More information

PHYSICS 221 SPRING EXAM 1: February 20, 2014; 8:15pm 10:15pm

PHYSICS 221 SPRING EXAM 1: February 20, 2014; 8:15pm 10:15pm PHYSICS 221 SPRING 2014 EXAM 1: February 20, 2014; 8:15pm 10:15pm Name (printed): Recitation Instructor: Section # INSTRUCTIONS: This exam contains 25 multiple-choice questions plus 2 extra credit questions,

More information

Practice. Newton s 3 Laws of Motion. Recall. Forces a push or pull acting on an object; a vector quantity measured in Newtons (kg m/s²)

Practice. Newton s 3 Laws of Motion. Recall. Forces a push or pull acting on an object; a vector quantity measured in Newtons (kg m/s²) Practice A car starts from rest and travels upwards along a straight road inclined at an angle of 5 from the horizontal. The length of the road is 450 m and the mass of the car is 800 kg. The speed of

More information

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

Physics 101. Hour Exam I 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. Calculators may not be shared. Please keep your calculator on your own desk.

More information

Two Hanging Masses. ) by considering just the forces that act on it. Use Newton's 2nd law while

Two Hanging Masses. ) by considering just the forces that act on it. Use Newton's 2nd law while Student View Summary View Diagnostics View Print View with Answers Edit Assignment Settings per Student Exam 2 - Forces [ Print ] Due: 11:59pm on Tuesday, November 1, 2011 Note: To underst how points are

More information

Created by T. Madas WORK & ENERGY. Created by T. Madas

Created by T. Madas WORK & ENERGY. Created by T. Madas WORK & ENERGY Question (**) A B 0m 30 The figure above shows a particle sliding down a rough plane inclined at an angle of 30 to the horizontal. The box is released from rest at the point A and passes

More information

LECTURE 22 EQUILIBRIUM. Instructor: Kazumi Tolich

LECTURE 22 EQUILIBRIUM. Instructor: Kazumi Tolich LECTURE 22 EQUILIBRIUM Instructor: Kazumi Tolich Lecture 22 2 Reading chapter 11-3 to 11-4 Static equilibrium Center of mass and balance Static equilibrium 3 If a rigid object is in equilibrium (constant

More information

Chapter 2 Dynamics 51

Chapter 2 Dynamics 51 Chapter 2 Dynamics 51 52 AP Physics Multiple Choice Practice Dynamics SECTION A Linear Dynamics 1. A ball of mass m is suspended from two strings of unequal length as shown above. The magnitudes of the

More information

Practice Test for Midterm Exam

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

More information

Exam 3 Practice Solutions

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

More information

AP Physics 1 Review. On the axes below draw the horizontal force acting on this object as a function of time.

AP Physics 1 Review. On the axes below draw the horizontal force acting on this object as a function of time. P Physics Review. Shown is the velocity versus time graph for an object that is moving in one dimension under the (perhaps intermittent) action of a single horizontal force. Velocity, m/s Time, s On the

More information

UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics

UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics Physics 115.3 MIDTERM TEST October 22, 2015 Time: 90 minutes NAME: (Last) Please Print (Given) STUDENT NO.: LECTURE SECTION (please

More information

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

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. FLEX Physical Science AP Physics C Newton's Laws --- Conceptual Questions MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) You swing a bat and hit

More information

24/06/13 Forces ( F.Robilliard) 1

24/06/13 Forces ( F.Robilliard) 1 R Fr F W 24/06/13 Forces ( F.Robilliard) 1 Mass: So far, in our studies of mechanics, we have considered the motion of idealised particles moving geometrically through space. Why a particular particle

More information

End-of-Chapter Exercises

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

More information

Kinematics. v (m/s) ii. Plot the velocity as a function of time on the following graph.

Kinematics. v (m/s) ii. Plot the velocity as a function of time on the following graph. Kinematics 1993B1 (modified) A student stands in an elevator and records his acceleration as a function of time. The data are shown in the graph above. At time t = 0, the elevator is at displacement x

More information

= y(x, t) =A cos (!t + kx)

= y(x, t) =A cos (!t + kx) A harmonic wave propagates horizontally along a taut string of length L = 8.0 m and mass M = 0.23 kg. The vertical displacement of the string along its length is given by y(x, t) = 0. m cos(.5 t + 0.8

More information

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?

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

More information

Friction is always opposite to the direction of motion.

Friction is always opposite to the direction of motion. 6. Forces and Motion-II Friction: The resistance between two surfaces when attempting to slide one object across the other. Friction is due to interactions at molecular level where rough edges bond together:

More information

AP Physics I Summer Work

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

More information

4.0 m s 2. 2 A submarine descends vertically at constant velocity. The three forces acting on the submarine are viscous drag, upthrust and weight.

4.0 m s 2. 2 A submarine descends vertically at constant velocity. The three forces acting on the submarine are viscous drag, upthrust and weight. 1 1 wooden block of mass 0.60 kg is on a rough horizontal surface. force of 12 N is applied to the block and it accelerates at 4.0 m s 2. wooden block 4.0 m s 2 12 N hat is the magnitude of the frictional

More information

AP Physics Free Response Practice Dynamics

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

More information

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 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

More information

Newton s Laws Pre-Test

Newton s Laws Pre-Test Newton s Laws Pre-Test 1.) Consider the following two statements and then select the option below that is correct. (i) It is possible for an object move in the absence of forces acting on the object. (ii)

More information

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

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

More information