Question

what is friction.....​

Answer 1

Answer:

Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surface..

Explanation:

hope it helps

Answer 2

When we throw a ball on the floor it starts moving with some velocity. But once it is rolled ideally no force is acting in the direction of motion and according to Newton's first law the ball should keep on rolling but this does not happen. That force is known as friction.

I hope you understand.........