Question

What is friction? Write different types of friction.

Answer 1

Answer:

the opposite force exerted by gravity is called frictional force

Answer 2

Friction

Explanation:

Friction is the resistance to motion of one object moving relative to another. Friction is in direction opposite to motion.

There are four types of friction: Static, sliding, rolling and fluid friction. Static, sliding and rolling friction occur between solid surfaces. Static friction is strongest, followed by sliding friction, and then rolling friction which is weakest. Fluid friction occurs in liquids or gases.