A chain of length 4 m is kept on a table. 2 m of the chain hangs freel – McqOptions

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1.	A chain of length 4 m is kept on a table. 2 m of the chain hangs freely from the table s edge. The mass of the whole chain is 8 kg. What is the work done to pull the whole chain onto the table? (Assume g = 10m/s2)
A.	20 J
B.	40 J
C.	60 J
D.	80 J
Answer» C. 60 J

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