Newton's 1st Law of Motion

​3.1

Forces, Inertia and Newton's 1st Law

Multiple Choice

If something is not moving

• forces may or may not be at work.

• It is not being acted on by a force.

• It is being acted on by a force.

Multiple Choice

The combined forces acting on an object are called:

• combined motion

• nuclear forces

• net force

• balanced force

Multiple Choice

An object's resistance to a change in motion is:

• inertia

• motion

• force

• Newton

Multiple Choice

The more mass an object has:

• the higher its inertia (harder to move)

• the lower its inertia (easier to move)

Multiple Choice

What happened to the man and his bike once he hit the block?

• The bike stopped, but the man flew forward due to inertia.

• The bike kept going, so he flew forward due to interia.

• The man stopped, but the bike kept going.

• The man and bike both stopped.

Multiple Choice

If the man on the right is pushing 50N and the man on the left is pushing 40 N, then what is the net force?

• There is no net force.

• 50 + 40 = 90N

• 50 - 40 = 10N

• 50/2= 25N