Question 1

If the mass of a cart is quickly loaded to have twice the mass while a propelling force remains constant,the cart's acceleration

Accepted Answer

A) quadruples. 
B) doubles. 
C) stays the same. 
D) halves. 
E) none of these 
A) quadruples. 
B) doubles. 
C) stays the same. 
D) halves. 
E) none of these D

Question 2

Action and reaction forces are parts of

Accepted Answer

A) a single interaction. 
B) a pair of interactions. 
C) multiple interactions. 
A) a single interaction. 
B) a pair of interactions. 
C) multiple interactions. A

Question 3

When you toss a ball upward,after the ball leaves your hand

Accepted Answer

A) the force of your hand moves it up and gradually changes direction. 
B) the upward force changes direction at the top of the path. 
C) we see that force and velocity are essentially the same thing. 
D) none of the above 
A) the force of your hand moves it up and gradually changes direction. 
B) the upward force changes direction at the top of the path. 
C) we see that force and velocity are essentially the same thing. 
D) none of the above D

Question 4

A ball is thrown upward and caught when it returns.When air resistance affects the ball,compared with the initial upward speed,the speed of the ball when caught is

Accepted Answer

A) less. 
B) the same. 
C) more. 
A) less. 
B) the same. 
C) more.

Question 5

A Mack truck and a Mini Cooper traveling at the same speed collide head-on.The collision force is greatest on the

Accepted Answer

A) Mini Cooper. 
B) Mack truck. 
C) same on both 
A) Mini Cooper. 
B) Mack truck. 
C) same on both

Question 6

An archer shoots an arrow.If the action force is the bowstring on the arrow,the reaction is the

Accepted Answer

A) weight of the arrow. 
B) air resistance on the bow. 
C) friction of the ground on the archer's feet. 
D) grip of the archer's hand on the bow. 
E) arrow's push on the bowstring. 
A) weight of the arrow. 
B) air resistance on the bow. 
C) friction of the ground on the archer's feet. 
D) grip of the archer's hand on the bow. 
E) arrow's push on the bowstring.

Question 7

Arnold Strongman and Suzie Small each pull on opposite ends of a rope in a tug-of-war.The greater force on the rope is exerted by

Accepted Answer

A) Arnold. 
B) Suzie. 
C) same by each 
A) Arnold. 
B) Suzie. 
C) same by each

Question 8

The force of a boxer's punch is greater when it hits a

Accepted Answer

A) small punching bag. 
B) heavy punching bag. 
C) both forces would be the same for the same effort 
A) small punching bag. 
B) heavy punching bag. 
C) both forces would be the same for the same effort

Question 9

Arnold Strongman wearing socks and Suzie Small in gym shoes have a tug-of-war on a polished floor.The likely winner is

Accepted Answer

A) Arnold. 
B) Suzie. 
C) neither,a tied score 
D) no basis for predicting 
A) Arnold. 
B) Suzie. 
C) neither,a tied score 
D) no basis for predicting

Question 10

When you rub your hands together,you

Accepted Answer

A) can push harder on one hand than the other. 
B) cannot push harder on one hand than the other. 
C) need more information 
A) can push harder on one hand than the other. 
B) cannot push harder on one hand than the other. 
C) need more information

Question 11

To steadily (constantly)increase the velocity of something requires a

Accepted Answer

A) steadily increasing force. 
B) constant net force. 
C) decreasing force. 
D) none of the above 
A) steadily increasing force. 
B) constant net force. 
C) decreasing force. 
D) none of the above

Question 12

You drive your car along the highway at a constant 60 km/h and apply the brakes until the car slows to 40 km/h.If at that moment you suddenly release the brakes,the car tends to

Accepted Answer

A) momentarily regain its higher initial speed. 
B) continue moving at 40 km/h. 
C) decrease in speed if no other forces act. 
A) momentarily regain its higher initial speed. 
B) continue moving at 40 km/h. 
C) decrease in speed if no other forces act.

Question 13

If you drop an object,it will accelerate downward at a rate of 10 m/s2.If you instead throw it downward,its acceleration (in the absence of air resistance will be

Accepted Answer

A) less than 10 m/s2. 
B) 10 m/s2. 
C) greater than 10 m/s2. 
A) less than 10 m/s2. 
B) 10 m/s2. 
C) greater than 10 m/s2.

Question 14

Inertia is defined as a

Accepted Answer

A) force. 
B) property of matter. 
C) change in motion. 
D) none of the above 
A) force. 
B) property of matter. 
C) change in motion. 
D) none of the above

Question 15

If you are learning to juggle it would be good to slow the ball's acceleration.You can do this by using

Accepted Answer

A) lighter balls. 
B) heavier balls. 
C) more balls. 
D) none of the above 
A) lighter balls. 
B) heavier balls. 
C) more balls. 
D) none of the above

Question 16

Earth moves about 30 km/s relative to the Sun.When you jump upward in front of a wall,the wall doesn't slam into you at 30 km/s because the wall

Accepted Answer

A) has too little gravity to influence you. 
B) moves in the opposite direction to you. 
C) and you move at the same horizontal speed,before,during,and after your jump. 
D) has negligible inertia compared with the Sun. 
A) has too little gravity to influence you. 
B) moves in the opposite direction to you. 
C) and you move at the same horizontal speed,before,during,and after your jump. 
D) has negligible inertia compared with the Sun.

Question 17

A 10-kg block is pushed across a horizontal surface with a horizontal force of 30 N against a friction force of 10 N.The acceleration of the block is

Accepted Answer

A) 1 m/s2. 
B) 2 m/s2. 
C) 5 m/s2. 
D) 10 m/s2. 
E) none of the above 
A) 1 m/s2. 
B) 2 m/s2. 
C) 5 m/s2. 
D) 10 m/s2. 
E) none of the above

Question 18

A player catches a ball.Consider the action force to be the ball against the player's glove.The reaction is the

Accepted Answer

A) player's grip on the glove. 
B) force of the glove on the ball. 
C) friction of the ground against the player's shoes. 
D) muscular effort in the player's arms. 
E) none of the above 
A) player's grip on the glove. 
B) force of the glove on the ball. 
C) friction of the ground against the player's shoes. 
D) muscular effort in the player's arms. 
E) none of the above

Question 19

The force exerted on the tires of a car to directly accelerate the car along a road is exerted by the

Accepted Answer

A) engine. 
B) tires. 
C) air. 
D) road. 
E) none of the above 
A) engine. 
B) tires. 
C) air. 
D) road. 
E) none of the above

Question 20

If you jump straight up while inside a fast-moving train that gains speed,you land

Accepted Answer

A) slightly ahead of your original position. 
B) at your original position. 
C) slightly behind your original position. 
A) slightly ahead of your original position. 
B) at your original position. 
C) slightly behind your original position.

Exam 2: Newtons Laws of Motion

If the mass of a cart is quickly loaded to have twice the mass while a propelling force remains constant,the cart's acceleration

Action and reaction forces are parts of

When you toss a ball upward,after the ball leaves your hand

A ball is thrown upward and caught when it returns.When air resistance affects the ball,compared with the initial upward speed,the speed of the ball when caught is

A Mack truck and a Mini Cooper traveling at the same speed collide head-on.The collision force is greatest on the

An archer shoots an arrow.If the action force is the bowstring on the arrow,the reaction is the

Arnold Strongman and Suzie Small each pull on opposite ends of a rope in a tug-of-war.The greater force on the rope is exerted by

The force of a boxer's punch is greater when it hits a

Arnold Strongman wearing socks and Suzie Small in gym shoes have a tug-of-war on a polished floor.The likely winner is

When you rub your hands together,you

To steadily (constantly)increase the velocity of something requires a

You drive your car along the highway at a constant 60 km/h and apply the brakes until the car slows to 40 km/h.If at that moment you suddenly release the brakes,the car tends to

If you drop an object,it will accelerate downward at a rate of 10 m/s2.If you instead throw it downward,its acceleration (in the absence of air resistance will be

Inertia is defined as a

If you are learning to juggle it would be good to slow the ball's acceleration.You can do this by using

Earth moves about 30 km/s relative to the Sun.When you jump upward in front of a wall,the wall doesn't slam into you at 30 km/s because the wall

A 10-kg block is pushed across a horizontal surface with a horizontal force of 30 N against a friction force of 10 N.The acceleration of the block is

A player catches a ball.Consider the action force to be the ball against the player's glove.The reaction is the

The force exerted on the tires of a car to directly accelerate the car along a road is exerted by the

If you jump straight up while inside a fast-moving train that gains speed,you land

Patterns of Motion and Equilibrium

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

Filters

If you drop an object,it will accelerate downward at a rate of 10 m/s².If you instead throw it downward,its acceleration (in the absence of air resistance will be