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in Laws of Motion by (48.1k points)
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A block of mass M is held against a rough vertical wall by pressing it with a finger. If the coefficient of friction between the block and the wall is p and the acceleration due to gravity is g, calculate the minimum force required to be applied by the finger to held the block against the wall?

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by (48.5k points)
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Best answer

For the block not to fall f = Mg

But f = = µR = µF so

µF = Mg

F = \(\frac{mg}{µ}\)

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