Unit 2

Force that opposes motion between objects that are touching.

• friction

• magnet

• attract

• repel

Push away from each other.

• friction

• magnet

• attract

• repel

An object that attracts iron and a few other but not all metals.

• friction

• magnet

• attract

• repel

Pull on each other.

• friction

• magnet

• attract

• repel

Charge that build up on an object.

• electricity

• static electricity

• balanced forces

• force

Forces that cancel each other out because they are equal in size and opposite in direction.

• electricity

• static electricity

• balanced forces

• force

Form of energy.

• electricity

• static electricity

• balanced forces

• force

A push or a pull, which may cause a change in an object's motion.

• electricity

• static electricity

• balanced forces

• force

Force that cause a change in an object's motion because that don't cancel each other out.

• gravity

• net force

• unbalanced forces

• push

• pull

The combination of all of the forces acting on an object.

• gravity

• net force

• unbalanced forces

• push

• pull