Question

the coefficient of friction between Chain and table is u . if a chain is placed on a horizontal table so that a part of it is hanging from one end. the minimum fraction of length of the chain that can be on table, so that the chain may not slip off

Answer 1

hey mate
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Answer 2

$\sf\implice\:the \: coefficient \: of \: friction \: between \: Chain \: and \: table \: is \: u . \: if \: a \: chain \: is \: placed \: on \: a \: horizontal \: table \: so \: that \: a \: part \: of \: it \: is \: hanging \: from \: one \: end. the \: minimum \:\\ fraction \: of \: length \: of \: the chain \: that \: can \: be \: on \: table, \: so \: that \: the \: chain \: may \: not \: slip \: off$