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` hangas freely from the adge of the table . The table . The total mass of the chain ia `4 kg` What is the work done in pulling the entire the chain the on the table ?

`7.2 J`

`3.6 J`

120 J

1200 J

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