Question

State the law of friction

Answer 1

Answer:

When a body is moving, the friction is directly proportional to normal force and frictional force direction is perpendicular to the normal force. Friction doesn't depend on the area of contact so long as there is an area of contact. ... Kinetic friction is independent of the velocity of the body.

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Answer 2

Answer:

There are three laws which i know and that are :

Explanation:

First law of friction: The amount of friction is proportional to the normal force exerted between the surfaces. Second law of friction: Friction does not depend on the area of contact between the object and the surface. Third law of friction: Friction force also depends on the nature of the surfaces in contact.