Unit 4 Contact Forces Newtons 3rd Law

Front

Force always comes in __________.

Back

pairs

Tags

NGSS.MS-PS2-1

Front

What is Newton's Third Law?

Back

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

Tags

NGSS.MS-PS2-1

Front

When a cannon fires a cannonball, what is the reaction force?

Back

The cannon moving backwards.

Tags

NGSS.MS-PS2-1

Front

What happens when you jump off a small boat onto the shore?

Back

The boat moves away from the shore.

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NGSS.MS-PS2-1

Front

When a bird flies, what is the reaction to its wings pushing air down?

Back

The air pushes the bird upward.

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NGSS.MS-PS2-1

Front

What is an example of action and reaction forces?

Back

A swimmer pushing water backwards and moving forward.

Tags

NGSS.MS-PS2-1

Front

What does it mean for forces to be equal and opposite?

Back

Forces that are the same size but act in opposite directions.

Front

How do action and reaction forces affect motion?

Back

They can change the motion of objects in opposite directions.

Tags

NGSS.MS-PS2-1

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is an example of inertia in everyday life?

Back

A passenger lurching forward in a car when it suddenly stops.