Questions
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
detailed solution
Correct option is B
Tension in the ropeT = Mg - Mg/3 = (2/3) mg.: W = T⇀.S⇀= TS cos 1800=2mgd3-1Talk to our academic expert!
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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)
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