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JEE Main 2004 Physics question

PhysicsWork, Energy and PowerJEE Main 2004

A uniform chain of length 2 m is kept on a table such that a length of 60 cm hangs freely from the edge of the table. The total mass of the chain is 4 kg. What is the work done in pulling the entire chain on the table?

Answer: (2)

Solution

Mass of the hanging part kg; its centre of mass is m below the table. Work needed to raise it onto the

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Question ID VK-038298