Questions
A chain of mass m and length ‘L’ is over hanging from the edge of a smooth horizontal table such that 3/4th of its length is lying on the table. The work done in pulling the chain completely on to the table is
detailed solution
Correct option is B
WORK done W =Mg l2n2 where l/n = length of the chain hanging at the edge given l/n = l / 4 work done w= Mg l32Talk 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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