Newton's 3rd Law of Motion

Front

What does Newton's 3rd Law of Motion state?

Back

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

Tags

NGSS.MS-PS2-1

Front

What is an example of Newton's 3rd Law of Motion in everyday life?

Back

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

Tags

NGSS.MS-PS2-1

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not change the motion of an object, while unbalanced forces cause an object to accelerate.

Tags

NGSS.MS-PS2-2

Front

In a force pair, how are the forces related?

Back

The forces in a force pair are equal in magnitude and opposite in direction.

Tags

NGSS.MS-PS2-1

Front

What happens to the net force when two equal forces act in opposite directions?

Back

The net force is zero.

Front

How do you calculate net force when forces are acting in opposite directions?

Back

You subtract the smaller force from the larger force.

Front

What is an example of action-reaction forces in a rocket launch?

Back

Action: the force of the fuel being expelled downward; Reaction: the rocket moving upward.

Tags

NGSS.MS-PS2-1

Front

What is the significance of the term 'action-reaction' in Newton's 3rd Law?

Back

It emphasizes that forces always occur in pairs, and one force cannot exist without the other.

Tags

NGSS.MS-PS2-1

Front

How does Newton's 3rd Law apply to sports, such as tennis?

Back

When a tennis ball hits the ground, it exerts a force downward, and the ground exerts an equal force upward, causing it to bounce.

Tags

NGSS.MS-PS2-1

Front

What is the role of friction in Newton's 3rd Law?

Back

Friction is a force that opposes motion and is part of the action-reaction force pairs.

Tags

NGSS.MS-PS2-2