Question

A homogenous chain of length L lies on a table. What is the maximum length l of the part of the chain hanging over the table if the coefficient of friction between the chain and the table is u, the chain remaining at rest with the table?

Answer 1

Answer:

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Explanation:

Let 'l' be the desired length hanging out so that the chain is in equilibrium chain starts moving when not pulling force is greater than frictional force.

equilibrium chain starts moving when not pulling force is greater than frictional force.Let m be the mass of length of chain

equilibrium chain starts moving when not pulling force is greater than frictional force.Let m be the mass of length of chaingmLl=μmL(L−l)g

equilibrium chain starts moving when not pulling force is greater than frictional force.Let m be the mass of length of chaingmLl=μmL(L−l)gl=(μμ+1)L

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