Front

Force

Back

A push or pull on an object

Front

Gravity

Back

Force that attracts objects toward each other

Front

Mass

Back

Amount of matter in an object

Front

Weight

Back

Force of gravity on an object

Front

Speed

Back

Distance traveled per unit of time

Front

Velocity

Back

Speed with direction

Front

Acceleration

Back

Change in velocity over time

Front

Inertia

Back

Resistance to change in motion

Front

Friction

Back

Force that opposes motion

Front

Energy

Back

Ability to do work