Physics and Motion

What is a PUSH or PULL of an object?

What pulls a ball back to earth?

_______ is a force that acts between two objects which are touching. This force slows any movement between the two objects.

the amount of material in a substance

What surface would probably offer the least friction if you were to slide a box across it?

The rougher the surface, the faster an object will travel over the surface.

1. It is easier to ride a bicycle down a hill than to ride up a hill because _______ helps the bicycle move down the hill.

the tendency of an object to resist a change in its motion

Objects with greater _________ also have greater inertia.