Newton's Third Law: Action/Reaction Forces

Front

What is Newton's Third Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

Define action force.

Back

The force exerted by one object on another.

Front

Define reaction force.

Back

The force exerted by the second object back on the first object.

Front

What happens when a person jumps up?

Back

The person exerts a downward force on the ground, and the ground exerts an equal upward force on the person.

Front

Is it true that a force can be exerted by one object on itself?

Back

False.

Front

What is the action force when a basketball is bounced against the floor?

Back

The ball exerts a force on the floor.

Front

What is the reaction force when a basketball is bounced against the floor?

Back

The floor exerts a force on the ball.

Front

In the context of walking, what is the action force?

Back

The person pushes against the floor.

Front

In the context of walking, what is the reaction force?

Back

The floor pushes the person.

Front

What is an example of action and reaction forces in a car crash?

Back

The car exerts a force on the wall, and the wall exerts an equal and opposite force on the car.