Newton's 3rd Law of Motion Flashcard

Front

What is Newton's 3rd 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 an object when it interacts with another object.

Tags

NGSS.MS-PS2-1

Front

What is a reaction force?

Back

The force exerted by the second object in response to the action force.

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NGSS.MS-PS2-1

Front

How does a bird fly using Newton's 3rd Law?

Back

A bird flaps its wings down, pushing air downwards, which creates an upward reaction force that lifts the bird.

Front

What happens when a rocket expels gases?

Back

The rocket moves upward due to the reaction force from the expelled gases.

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NGSS.MS-PS2-1

Front

What is an example of action and reaction in everyday life?

Back

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

Tags

NGSS.MS-PS2-1

Front

How does a balloon demonstrate Newton's 3rd Law?

Back

When air escapes from a balloon, it pushes the balloon in the opposite direction.

Front

What is the relationship between action and reaction forces?

Back

They are equal in strength and opposite in direction.

Tags

NGSS.MS-PS2-1

Front

Why do rockets need to expel gases to launch?

Back

To create a reaction force that propels the rocket upward.

Tags

NGSS.MS-PS2-1

Front

What is the significance of the phrase 'equal and opposite'?

Back

It means that forces always occur in pairs; one force cannot exist without the other.

Tags

NGSS.MS-PS2-1