Force and Motion Chapter Review

Fill in the blank: A ___________ is required to change the velocity of an object.

• motion

• friction

• force

• brake

How an object changes velocity depends on the ____________ of the force exerted on that object.

A stronger force can cause a greater change in velocity.

• True

• False

Understanding a cause-and-effect relationship can help you infer what led to a particular result. What do you infer happened to the pod?

• The pod's thrusters exerted a force greater than usual and the pod changed direction.

• The pod's thrusters exerted a force weaker than usual and the pod only slowed down, causing it to bump into the space station.