Forces

A _____ is a pull or a push.

What is the unit called that measures mass?

If the net force is equal to zero, the forces acting on the object are A. balances B. unbalanced

Which force produces a change in motion? A. balanced force B. unbalanced force

We use _____ to measure weight.

We use ______ to measure mass.

A force that slows or stops motion when objects rub together.

What does friction produce? A. heat B .light C.gravity

What pulls a ball back to earth?

The amount of friction depends on the weight of the objects pressing together. True or false

The force that acts in the opposite direction of motion when two surfaces come in contact.

The measure of the pull of gravity on an object is ___________________. A. mass B. weight

What is the unit called that measures force?