Forces and Motion- SD Vocabulary

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

Weight

Back

A measure of the force of gravity exerted on an object.

Front

Balanced Force

Back

Equal forces that do not cause a change in an object's motion.

Front

Unbalanced Force

Back

Unequal forces that cause a change in an object's motion – speed or direction.

Front

Net Force

Back

The overall force exerted on an object measured in Newtons (N).

Front

Newtons

Back

The units used for force.

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.