Newton's Third Law of Motion

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

An action force is the initial force applied in a pair of forces described by Newton's Third Law.

Tags

NGSS.MS-PS2-1

Front

What is a reaction force?

Back

A reaction force is the force that is exerted in response to an action force, equal in size but opposite in direction.

Tags

NGSS.MS-PS2-1

Front

If a baseball player hits a ball with a force of 1,000 N, what is the reaction force of the ball on the bat?

Back

1,000 N.

Tags

NGSS.MS-PS2-1

Front

What happens when a swimmer pushes off the wall of the pool?

Back

The action is the swimmer pushing off the wall, and the reaction is the swimmer moving forward.

Tags

NGSS.MS-PS2-1

Front

What is an example of action and reaction in archery?

Back

The action is the bowstring pushing against the arrow, and the reaction is the arrow pushing back against the bowstring.

Tags

NGSS.MS-PS2-1

Front

If a gymnast decreases the force they exert on a trampoline, what happens?

Back

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

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

What is the relationship between action and reaction forces?

Back

They are equal in size and opposite in direction.

Tags

NGSS.MS-PS2-1

Front

How does increasing the force applied to an object affect its motion?

Back

Increasing the force will increase the object's acceleration and motion.

Tags

NGSS.MS-PS2-2

Front

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

Back

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

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NGSS.MS-PS2-1