A uniform rope of length l lies on a table. If the coefficient of friction is μ , then the maximum length l 1 of the part of this rope which can overhang from the edge of the table without sliding down is

Question

A uniform rope of length l lies on a table. If the coefficient of friction is μ , then the maximum length l 1 of the part of this rope which can overhang from the edge of the table without sliding down is, 1 μ, l μ + 1, μ l 1 + μ, μ l 1 - μ

MARKS App · Accepted Answer

Weight of hanging part is balanced by friction m l 1 l g = μ N m l 1 l g = μ m l - l 1 l g l 1 = μ l - l 1 l 1 = μ l μ + 1

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