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A uniform chain of length 2m is kept on...

A uniform chain of length `2m` 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 the chain the on the table ?

A

`7.2 J`

B

`3.6 J`

C

120 J

D

1200 J

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The correct Answer is:
B
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RESONANCE ENGLISH-DAILY PRACTICE PROBLEM-DPP No.23
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