Question

Two laws of limiting friction​

Answer 1

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Law of limiting friction :

The limiting force of friction is directly propotional to normal reaction between two surface in contact .It is independent of the apparent area of two contacting surface.It depends upon the nature and material of surface in contact.

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Answer 2

Laws of Limiting Friction. The direction of limiting friction force is always the opposite of the motion of the body. ... The magnitude of the limiting friction always have a constant ratio with the normal reaction force which acts between the two surfaces. Limiting friction force depends on the roughness of the surface.