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A block of mass m is lowered with the he...

A block of mass m is lowered with the help of a rope of negligible mass through a distance d with an acceleration of `g/3`.Work done by the rope on the block is

A

`(2Mgd)/3`

B

`-(2Mgd)/3`

C

`(Mgd)/3`

D

`-(Mgd)/3`

Text Solution

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The correct Answer is:
B
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