Knockout JEE Main April 2021 (One Month)
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A uniform cable of mass and length
is placed on a horizontal surface that its
part is hanging below the edge of the surface. To lift the hanging part of the cable upto the srface, the work done should be :
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Total length of rod=
Length hanging=
initial P.E =
final P.E=
Option 1)
Option 2)
Option 3)
Option 4)