Question

what are the cause of friction?
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Answer 1

Answer:

Friction is a force that resists the relative motion between two objects or materials. The causes of this resistive force are molecular adhesion, surface roughness, and deformations. Adhesion is the molecular force resulting when two materials are brought into close contact with each other.

Answer 2

Answer:

hyy..

The causes of this resistive force are molecular adhesion, surface roughness, and deformations are the causes of friction.

hope this helps u