Force & Motion Vocab Flashcard

Front

Definition of force:

Back

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

Front

Definition of mass?

Back

The amount of matter in an object.

Front

Definition of weight?

Back

A measure of the force of gravity on an object.

Front

Balanced forces:

Back

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

Front

Unbalanced forces:

Back

Unequal forces causing a change in an object's motion - speed or direction.

Front

Definition of net force?

Back

Overall force on an object in Newtons (N).

Front

What is a Newton?

Back

Units for force.

Front

Definition of friction?

Back

A force that resists motion when two surfaces are touching.

Front

Definition of gravity?

Back

A force that pulls all objects with mass toward each other.

Front

Definition of air resistance?

Back

Frictional force air exerts against a moving object.