What is the laws of friction? Explain about briefly?
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THE FIVE LAWS OF FRICTION. When an object is moving, the friction is proportional and perpendicular to the normal force (N) Friction is independent of the area of contact so long as there is an area of contact. The coefficient of static friction is slightly greater than the coefficient of kinetic friction.
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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.
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