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A block of mass m tied to a string is lo...

A block of mass m tied to a string is lowered by a distance d, at a constant acceleration of `g//3`. The work done by the string is

A

`+(3mgh)/(4)`

B

`=(mgh)/(4)`

C

`+(5)/(4)mgh`

D

`+mgh`

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The correct Answer is:
C
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AAKASH INSTITUTE-WORK, ENERGY AND POWER-Assignment (SECTION - A)
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