Newton's 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

When a person on a skateboard throws a heavy object forward, what happens to the person?

Back

The person is pushed backward due to the reaction force.

Tags

NGSS.MS-PS2-1

Front

If a rock weighs 40 N, how much force does the ground exert on it?

Back

40 N, as the ground exerts an equal force in response to the weight of the rock.

Front

What happens to action and reaction forces?

Back

They do not cancel out because they act on different objects.

Tags

NGSS.MS-PS2-1

Front

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

Back

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

Tags

NGSS.MS-PS2-1

Front

What is the relationship between mass and acceleration in Newton's Second Law?

Back

Acceleration is inversely proportional to mass when force is constant.

Tags

NGSS.MS-PS2-2

Front

What is an action force?

Back

The initial force that causes an object to move.

Tags

NGSS.MS-PS2-1

Front

What is a reaction force?

Back

The force that occurs in response to an action force, equal in magnitude and opposite in direction.

Tags

NGSS.MS-PS2-1

Front

In a collision, what can be said about the forces involved?

Back

The forces are equal and opposite, but they act on different objects.

Tags

NGSS.MS-PS2-1

Front

What is an example of action and reaction forces in sports?

Back

When a swimmer pushes water backward, they move forward.

Tags

NGSS.MS-PS2-1