explain mathematically that friction does not depend on area of contact
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We assume that the large surface area will provide a larger friction. BUt it will reduce the pressure too. As
P= F/A
as they are indirectly proportional, the increase in area will decrease the pressure and so the force will remain constant
P= F/A
as they are indirectly proportional, the increase in area will decrease the pressure and so the force will remain constant
Answered by
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Explanation:
Friction is a contact force when two surfaces interact. ... Notice that both of these friction formulas ONLY depend on the coefficient of friction and the normal force. It does not depend the area of contact, it doesn't depend on the sliding speed.
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