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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 8 - COM, Momentum and Collision > A circular plate of uniform thickness has a diameter of 28 cm. A circular portion of diameter 21 cm is removed from the plate as shown. Origin is the center of mass of complete plate. The position of center of remaining portion will shift toward left from origin by

A circular plate of uniform thickness has a diameter of 28 cm. A circular portion of diameter 21 cm is removed from the plate as shown. Origin is the center of mass of complete plate. The position of center of remaining portion will shift toward left from origin by

A man places a chain of mass ′m′ and length ′l′ on a table slowly. Initially the lower end of the chain just touches the table. The man drops the chain when half of the chain is in the vertical position. Then work done by the man in this process is?