Newton's Laws Review

What happens to a moving object if no external force acts on it?

• It keeps moving at the same speed.

• It changes direction.

• It speeds up.

• It stops immediately.

What is the term for the resistance to changes in motion?

• Velocity

• Inertia

• Friction

• Gravity

What happens when forces on an object are balanced?

• The object speeds up.

• The object changes direction.

• The object stays at rest or moves at a constant speed.

• The object slows down.

How can you change the direction of a bumper car?

• By stopping the car.

• By pushing the car.

• By turning the steering wheel.

• By jumping out of the car.

What force slows down a bicycle when brakes are applied?

• Inertia

• Gravity

• Velocity

• Friction