Forces Review

Front

What causes a feather to fall slower than a hammer when dropped?

Back

Air resistance causes the feather to slow down.

Front

What is force?

Back

A push or a pull on an object.

Front

What type of force is air resistance?

Back

Contact Force.

Front

What force always acts in the direction opposite of motion?

Back

Friction.

Front

What are the three examples pictured?

Back

Contact Forces.

Front

What is gravity?

Back

A force that pulls objects toward each other.

Front

What is the difference between contact and non-contact forces?

Back

Contact forces require physical contact, while non-contact forces act at a distance.

Front

Give an example of a non-contact force.

Back

Magnetic force.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What happens to an object in motion when no net force acts on it?

Back

It continues to move at a constant velocity.