Question

A bucket tied to a string is lowered at a constant acceleration of `g//4`. If mass of the bucket is m and it is lowered by a distance /then find then work done by the string on the bucket.

Answer 1

Correct Answer - C::D
`mg-T=ma=(mg)/4`
.
`rArr T=(3mg)/4`
`:. W_(T)=(T)(l)(cos 180^@)`
`=-3/4mgl`.