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A uniform chain of length L and mass M is lying on a smooth table and one third of its length is hanging vertically down over the edge of the table. If g is acceleration due to gravity, the work required to pull the hanging part on to the table is a) MgL b) MgL/3 c) MgL/9 d) MgL/18

A uniform chain of length L and mass M is lying on a smooth table and one third of its length is hanging vertically down over the edge of the table. If g is acceleration due to gravity, the work required to pull the hanging part on to the table is
a) MgL
b) MgL/3
c) MgL/9
d) MgL/18

Grade:12th pass

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
9 years ago
Hi

See the centre of mass of the chain will be raised with the chain.

Thanks & Regards, Arun Kumar, Btech,IIT Delhi, Askiitians Faculty

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