Question

Define friction difine friction​

Answer 1

Explanation:

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.

Answer 2

Answer:

the rubbing of one surface or thing against another

एक वस्‍तु की सतह का दूसरी से रगड़ खाना; रगड़, घर्षण

You have to put oil in the engine to reduce friction between the moving parts.