Newtons third law

Front

What is Newton's Third Law of Motion?

Back

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

Tags

NGSS.MS-PS2-1

Front

What is an action force?

Back

The force exerted by one object onto another.

Tags

NGSS.MS-PS2-1

Front

What is a reaction force?

Back

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

Tags

NGSS.MS-PS2-1

Front

If a person jumps off a small boat, what happens to the boat?

Back

The boat moves in the opposite direction due to the reaction force.

Tags

NGSS.MS-PS2-1

Front

What happens when you push against a wall?

Back

The wall pushes back with an equal and opposite force.

Tags

NGSS.MS-PS2-2

Front

Why can you not feel the Earth move when you jump?

Back

The Earth has much more mass than you, so its movement is imperceptible.

Tags

NGSS.MS-PS2-2

Front

In a game of pool, when the cue ball hits another ball, what is the action and reaction?

Back

Action: Cue ball hits the other ball; Reaction: The other ball pushes back on the cue ball.

Tags

NGSS.MS-PS2-1

Front

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

Back

Walking: Your foot pushes back on the ground, and the ground pushes your foot forward.

Tags

NGSS.MS-PS2-1

Front

What is the relationship between action and reaction forces?

Back

They are equal in magnitude and opposite in direction.

Tags

NGSS.MS-PS2-1

Front

When a rocket launches, what forces are at play?

Back

The action force is the rocket pushing down on the exhaust gases; the reaction force is the gases pushing the rocket upward.

Tags

NGSS.MS-PS2-1