Newton's First Law

When an object does not want to change motion, it is called ________________.

• inertia

• motion

Kicking a ball is an example of ________________.

• force

• speed

A force is a _________________.

• push or pull

• speed

Velocity measures _________________________

• speed

• speed and direction

Newton's first law states that an object in motion stays in motion and an object at rest stays at rest unless acted on by ______________________________.

• a balanced force

• an unbalanced force

Which has more Inertia?

• a skateboard

• a truck

What kind of objects have inertia?

• all objects with mass

• only objects in motion

Which type of force will cause an object to change motion?

• balanced force

• unbalanced force

What can a force do?

• start a motion

• stop a motion

• change the direction of the motion

• all of the above

The amount of matter in an object is called ________________.

• weight

• mass