Questions
A bucket filled with water weighing 20 kg is slowly raised from a well of depth 20m. If the linear density of the rope is 0.2kg per meter, the amount of work done is, (g = 10m/)
detailed solution
Correct option is C
W=mgh+MgL2=20×10×20+4×10×202w = 4400 JTalk 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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