Forces and Motion

Front

force

Back

A push or pull on an object

Front

unbalanced force

Back

Forces that cause a change in the motion of an object

Front

velocity

Back

The speed of something in a given direction.

Front

momentum

Back

The quantity of motion an object has, dependent on mass and velocity.

Front

friction

Back

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

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

The amount of matter in an object, often measured in kilograms or grams.

Front

balanced force

Back

When two forces acting on an object are equal in size but opposite in direction, resulting in no movement.

Front

net force

Back

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

Front

inertia

Back

The tendency of an object to resist changes in its state of motion.