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A bucket of mass 'm' tied to a light rop...

A bucket of mass `'m'` tied to a light rope is lowered at a constant acceleration of `g//4`. IF the bucket is lowered by a distance `'d'` , the work done by the rope will be (neglect the mass of the rope)

A

`1/4 mgd`

B

) `3/4 mgd`

C

`-3/4mgd`

D

`-5/4mgd`

Text Solution

Verified by Experts

The correct Answer is:
`(3)`
`W = FS cos theta here F = m(g -q), S = h, theta = 180^(@)`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE -II (C.W)
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