Questions
A uniform rope of length I lies on a table. If the coefficient of friction is , then the maximum length l1 of the hanging part of the rope which can overhang from the edge of the table without sliding down is
detailed solution
Correct option is C
In critical case, weight of hanging part = force of friction of the part of rope lying on table.∴ ml·l1g=μmll-l1gSolving above equation, we getl1=μ1+μlTalk to our academic expert!
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A chain lies on a rough horizontal table. It starts sliding when one-fourth of its length hangs over the edge of the table. The coefficient of static friction between the chain and the surface of the table is
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