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A uniform rope of length 'L' and linear ...

A uniform rope of length 'L' and linear density `'mu'` is on a smooth horizontal table with a length 'l' lying on the table. The work done in pulling the hanging part on the the table is

A

`(mu g (L-l)^(2))/(2)`

B

`(mu g (L-l)^(2))/(2l^(2))`

C

`(mu g(L-l)^(2))/(2L^(2))`

D

`(mu g L)/(2(L-l))`

Text Solution

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The correct Answer is:
A
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