Force is a __________ quality.

• vector

• inertia

• motion

• Newton's 1st Law

What is the sum of the forces?

• net

• net zero

• zero

• one

What is the unit used to measure force?

• Mass

• Weight

• Newtons (N)

• Pounds (lbs)

To get something to move, what kind of force must be applied?

• balanced force

• gravity

• inertia

• unbalanced force

What is a force that makes it hard for things to slide against each other?

• friction

• gravity

• motion

• harmony

What is the friction of air molecules?

• gravity

• drag

• motion

• speed

Are you enjoying the video lesson?

• Yes

• No

What is the speed of an object in a specific direction?

• force

• motion

• velocity

• slowness

What is any change in velocity?

• force

• inertia

• acceleration

• slowing down

What is a non-contact force?

• force

• motion

• inertia

• gravity