A chain of length $L$ rests on a rough table. If $\mu $ be the coefficient of friction, the maximum friction of the chain that can hang over the table will be
A chain of length $L$ rests on a rough table. If $\mu $ be the coefficient of friction, the maximum friction of the chain that can hang over the table will be
- A
$\frac {\mu -1}{\mu }$
- B
$\frac {\mu }{\mu +1}$
- C
$(\mu -1)$
- D
$\frac {1}{\mu +1}$
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