Question: A bucket tied to a string is lowered at a constant acceleration of g/4 . If the mass of the bucket is 𝑚 and is lowered by a distance 𝑑, the work done by the string will be
(A) \dfrac{mgd}{4}
(B) -\dfrac{3}{4}mgd
(C) -\dfrac{4}{3}mgd
(D) \dfrac{4}{3}mgd
Answer: Option (B)
Solution:
