A chain is placed on a frictionless table such that its 1/5 part is hanging down over the edge of the table . if the length of the chain be l and the mass be m, then how much work will be done in pulling up the hanging part of the chain back on the table?
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work done(W)= mgl/2n^2
n=1/5
W=25mg/2l
if my answer is correct then mark me as branliest.
n=1/5
W=25mg/2l
if my answer is correct then mark me as branliest.
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