Question

define friction what is causes of 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 surfaces.

Explanation:

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Answer 2

Answer:

The force which opposes the relative motion is called friction. It is caused by irregularities on the surface and how hard the two surfaces are pressed together.