Question

what is friction? one example​

Answer 1

For instance, when two objects rub together, friction causes some of the energy of motion to be converted into heat. This is why rubbing two sticks together will eventually produce a fire. Friction is also responsible for the wear and tear on bike gears and other mechanical parts.

Answer 2

Answer:

Friction acts as an resisting force which is generated , when to solid surfaces slide against one another.

Example:- when we walked , there is a friction between our shoes/ feet.