Quiz about Newton's Third Law

Question 1

Newton's Third Law States...

Accepted Answer

For each action there is an equal and opposite reaction

Answer

Objects in motion stay in motion and objects at rest stay at rest

Answer

Force is equal to mass times acceleration

Question 2

An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...

Accepted Answer

the arrow's push against the bowstring

Answer

Air resistance against the bow

Answer

the grip of the archer's hand on the bow

Question 3

A player throws a ball. The action force is the player impact on the ball. The reaction force is...

Accepted Answer

The force of the ball impact on the player

Answer

The force of the grip of the ball

Answer

The celebration the player is thinking of

Question 4

A player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction force is...

Accepted Answer

the force of the ball against the bat

Answer

The grip of the player's hands on the ball

Answer

the air resistance of the ball

Question 5

A baseball player bats a ball with a force of 1,000 N. The ball exerts a reaction force (without any additional forces action on it) against the bat of...

Accepted Answer

1,000 N

Answer

Less than 1, 000 N

Answer

More than 1,000 N

Question 6

A rocket pushes exhaust 10, 000 N. Without any other forces acting on the rocket, how much force does the rocket go forward?

Accepted Answer

10, 000 N

Answer

15,000 N

Answer

1,000 N

Question 7

According to Newton's Third law the strength or magnitude of forces will be...

Accepted Answer

equal

Answer

smaller

Answer

larger

Question 8

According to Newton's third law forces come in pairs?

Accepted Answer

True

Answer

False

Question 9

Which law explains how rockets are launched into space?

Accepted Answer

Newton's Third Law of Motion

Answer

Newton's First Law of Motion

Answer

Newton's Second Law of Motion

Answer

Newton's Fourth Law of Motion

Question 10

Which best explains why we are able to accelerate forward when starting to run?

Accepted Answer

The striking foot pushes backward against the ground. The friction with the ground provides an equal and opposite force forward.

Answer

As one leg moves backward, it provides an equal and opposite force for the other foot to move forward.

Answer

No acceleration takes place. Runners are always at a fixed velocity.

Answer

The runner's upper body quickly leans forward, causing the entire body to begin accelerating forward

Question 11

What happens when two objects, such as a baseball and a bat, collide?

Accepted Answer

They hit each other with the same force in opposite directions.

Answer

They hit each other with the same force in the same direction.

Answer

They hit each other with unequal force in opposite directions.

Answer

One remains still while the other one moves in the same direction.

Question 12

Question 12.

Accepted Answer

3rd

Answer

1st

Answer

2nd

Question 13

The push or pull that acts on an object

Accepted Answer

force

Answer

action

Answer

acceleration

Answer

inertia

Question 14

By pushing backwards a roller skater moves forward. This is an example of Newton's

Accepted Answer

Third Law

Answer

First Law

Answer

Second Law

Answer

Law of Gravity

Question 15

What is the reaction force to a foot pushing down on the floor?

Accepted Answer

The floor pushing back against the foot

Answer

The foot going through the floor

Answer

The floor breaking to the foot

Question 16

A swimmer pushes on the water and the water pushes on the hand and the swimmer moves forward. What is the ACTION force?

Accepted Answer

Swimmer pushes on the water

Answer

the water pushes on the hand and the swimmer moves forward

Question 17

The swimmer pushes off of the wall of the pool and moves forward. What is the ACTION in this example?

Accepted Answer

Swimmer pushes off the wall of the pool

Answer

Swimmer moves forward

Question 18

A bowling ball hits the pins and the pins fall over. What is the ACTION force?

Accepted Answer

Bowling ball hitting pins

Answer

Pins falling over

Question 19

If the gymnast decreases the force they exerts on the trampoline, what will the reaction be?

Accepted Answer

The gymnast will be pushed back by the trampoline with less force and not go as high into the air

Answer

The gymnast will be pushed back by the trampoline with more force and go higher into the air

Answer

No change will happen to the gymnast

Question 20

Katniss Everdeen applies 20 N of force back on her bow. What happens to the arrow when she lets go?

Accepted Answer

The arrow goes forwards with 20 N

Answer

The arrow goes backwards

Answer

The arrow goes forwards with 30 N

Answer

The arrow goes forwards with 0 N

Question 21

The ____ of an object is the force of gravity on the object.

Accepted Answer

weight

Answer

mass

Answer

volume

Answer

density

Question 22

A dog plays with a ball. Consider the action force the dog touching the ball. What is the reaction force?

Accepted Answer

The ball touching the dog.

Answer

The friction of the ground on the ball.

Answer

The ball pushing the ground.

Answer

The ground pulling the dog.

Question 23

An unfortunate bug splatters against the windshield of a moving car. Compared to the force of the car on the bug, the force of the bug on the car is

Accepted Answer

the same.

Answer

larger.

Answer

smaller

Answer

need more information to say.

Question 24

A person is attracted towards the center of Earth by a 440N gravitational force. The force with which Earth is attracted toward the person is

Accepted Answer

The same, 440N.

Answer

More than 440N

Answer

Less than 440N.

Question 25

If a horse pulls on a wagon at rest, the wagon pulls back equally on the horse. Can the wagon be set into motion?

Accepted Answer

Yes, because there is a net force acting on the wagon.

Answer

Yes, because there is a time delay between action and reaction.

Answer

No, because the forces cancel each other.

Answer

Yes, because the horse's pull on the wagon is larger than the wagon's pull on the horse.

Question 26

According to Newton's third law, if you push gently on something, it will push

Accepted Answer

gently on you

Answer

gently on something else.

Answer

on you only if you aren't moving.

Answer

on something only under the right conditions.

Question 27

A large truck and a small car traveling at the same speed have a head-on collision. The vehicle to undergo the greater change in velocity will be

Accepted Answer

the small car

Answer

the large truck

Answer

neither, both are the same.

Question 28

Earth pulls on the moon, and similarly the moon pulls on Earth. This is evidence that the

Accepted Answer

both a and b

Answer

Earth and moon are simply pulling on each other.

Answer

Earth's and moon's pulls comprise an action-reaction pair.

Answer

neither a or b

Question 29

Consider the picture shown above. Which is an action-reaction pair?

Accepted Answer

A upon B and B upon A

Answer

A and C upon B, and B upon A and C

Answer

B upon C and A upon C

Answer

A, B, and C are action-reaction forces

Question 30

The measure of how hard it is to stop a moving object

Accepted Answer

Momentum

Answer

Speed

Answer

Velocity

Answer

Inertia

Newton's Third Law

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