Newton's Third Law

Front

What does Newton's Third Law state?

Back

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

Front

What do forces always come in?

Back

Pairs.

Front

When you lean on a wall, how do the forces compare?

Back

They are equal.

Front

What happens to a boat when a person steps off it onto the dock?

Back

The boat moves backward as the person moves forward.

Front

What is the reaction force when a cannon fires a cannonball?

Back

The cannon pushing backwards off of the cannonball.

Front

Define action force.

Back

The initial 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 is an example of Newton's Third Law in everyday life?

Back

Walking: when you push down on the ground, the ground pushes you up.

Front

What is the relationship between action and reaction forces?

Back

They are equal in magnitude and opposite in direction.

Front

How does Newton's Third Law apply to swimming?

Back

When a swimmer pushes water backward, the water pushes the swimmer forward.