S1 UT8 Review Quiz

a force that acts on objects moving through air

• air resistance

• friction

• contact force

• weight

a force that opposes motion when one object rubs against another

• air resistance

• friction

• contact force

• weight

a force exerted by gravity on anything that has mass

• air resistance

• friction

• contact force

• weight

Identify the instrument in the photo

What is another name for forcemeters?

The unit for force

• newton

• pound

• kilogram

• meter

The unit for mass

• newton

• pound

• kilogram

• meter

an interaction that changes the motion of an object

• force

• friction

• air resistance

• gravity

balanced forces cancel each other out

• true

• false

balanced forces causes an object to move

• true

• false