Friction occurs when two objects rub against each other, acting in the opposite direction of movement. The amount of friction depends on the materials and roughness of the surfaces involved. For instance, a bowling ball rolls further on a wooden floor than on a carpet due to less friction with wood compared to carpet.

What causes friction between two objects?

In what direction does friction act in relation to movement?

How does the roughness of a surface affect friction?

What are the two main factors that determine the amount of friction?

Explain why a bowling ball rolls further on a wooden floor than on a carpeted floor.