A uniform chain of length L and mass M is lying on a smooth table and one third of its…
Physics · JEE Advanced · NTA Exams — Work, Energy and Power
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
- MgL
- MgL/3
- MgL/9
- MgL/18
Answer
(D) MgL /18
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