friction

Match it! Select the correct answer from the pull down...Good luck!

In order to produce a change in motion, a force must be a(n)

One way to increase friction is to use ___________.

A push or pull that acts on an object

A force that always acts to oppose motion

What increases friction?

Friction is a force that

A change in a moving objects speed or direction

Which is an example of friction that is helpful?