Force and Motion

Front

Force

Back

A push or pull on an object that may change the motion of the object.

Front

Mass

Back

The amount of matter in an object.

Front

Balanced Force

Back

Forces on all sides are equal; net force = 0; an object’s motion will not change.

Front

Unbalanced Force

Back

Forces are not equal; net force does not equal zero; an object’s motion will change.

Front

Net Force

Back

The overall force on an object.

Front

Newtons

Back

The units used for force, N.

Front

Friction

Back

A force that resists motion when two surfaces are touching each other.

Front

Gravity

Back

A force that pulls all objects that have mass toward one another.

Front

Air Resistance

Back

The frictional force air exerts against a moving object.

Front

Motion

Back

Any change in the location of an object.