Force and Motion Vocabulary

Front

Force

Back

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

Front

Motion

Back

The change in position of an object over time.

Front

Gravity

Back

The force that attracts a body toward the center of the Earth, or toward any other physical body having mass.

Front

Mass

Back

A measure of the amount of matter in an object, usually measured in kilograms.

Front

Acceleration

Back

The rate of change of velocity of an object over time.

Front

Friction

Back

The resistance that one surface or object encounters when moving over another.

Front

Inertia

Back

The tendency of an object to remain at rest or in uniform motion unless acted upon by an external force.

Front

Net Force

Back

The overall force acting on an object when all the individual forces are combined.

Front

Balanced Forces

Back

Forces that are equal in size but opposite in direction, resulting in no change in motion.

Front

Unbalanced Forces

Back

Forces that cause a change in the motion of an object due to a net force acting on it.