Balloon Race Car Vocabulary

A force that causes an object to move from its place of rest.

How fast an object is moving

A force that resists the sliding and rolling of one solid object over another.

The force that resists motion when the surface of one object comes in contact with the surface of another. object.

the amount of matter something has

A force that exists between the Earth and the objects that are near it. As you stand upon the Earth, you experience this force.

A push or pull upon an object resulting from the object's interaction with another object

Forces that cause a change in the motion of an object.

speed + direction

The rate of change of the velocity (velocity is the speed and direction).