Force and Motion 23

Front

What is Newton's Third Law of Motion?

Back

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

Front

What happens when two forces of equal strength act in opposite directions?

Back

The object remains in the same place.

Front

What is constant speed?

Back

When an object covers equal distances in equal intervals of time.

Front

What is the most useful information for determining the motion of a storm?

Back

The speed and direction of the storm.

Front

What force causes a toy car to roll down a ramp?

Back

Gravity.

Front

What is force?

Back

A push or pull on an object that can cause it to change its motion.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is acceleration?

Back

The rate at which an object changes its velocity.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is mass?

Back

The amount of matter in an object, usually measured in kilograms.