Question

what is the friction​

Answer 1

Answer:

Answer:Friction is a force between two surfaces that are sliding, or trying to slide, across each other.

For example, when you try to push a book along the floor, friction makes this difficult.

Friction always works in the direction opposite to the direction in which the object is moving, or trying to move.

Answer 2

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 surfaces