why friction is independent on contact area
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it is because of those tiny hills that friction is possible. ... When the small side is in contact, there are fewer 'hills' but the area of each one is larger due to the higher pressure (same force, smaller area), so there will be no difference in the amount of friction. Hence friction is independent of area of contact.
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1
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Explanation:
It is because of these little hills that resistance is reasonable. When the small side is in contact, there are fewer 'holds' but the measure of each unit is longer due to the higher pressure (same force, smaller area), so there will be no difference in the amount of friction. Hence friction is independent of the area of the association.
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