Newton's Third Law

Front

What is Newton's Third Law also known as?

Back

The Law of Action-Reaction.

Front

Describe the action-reaction pair when a bird perches on a fence post.

Back

Action: The force of the bird on the post. Reaction: The force of the fence post on the bird.

Front

What is the reaction force when a baseball player catches a ball?

Back

The reaction force is the glove pushing back on the ball with an equal force.

Front

What happens when an ice skater pushes off a wall?

Back

The wall pushes on the skater as the skater pushes on the wall.

Front

How do the forces compare when a baseball bat hits a baseball?

Back

The bat hitting the ball is equal to the force of the ball hitting the bat.

Front

What does Newton's Third Law state?

Back

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

Front

Give an example of Newton's Third Law in everyday life.

Back

When you jump off a small boat, the boat moves backward as you move forward.

Front

What is an action force?

Back

An action force is the initial force exerted by one object on another.

Front

What is a reaction force?

Back

A reaction force is the force exerted by the second object back on the first object.

Front

How does Newton's Third Law apply to walking?

Back

When you push your foot backward against the ground, the ground pushes you forward.