A block of mass m is pulled by a uniform...

A block of mass `m` is pulled by a uniform chain of mass `m` tied to it by applying a force `F` at the other end of the chain.The tension at a point `P` which is at a distance of quarter of the length of the chain from the free end,will be

`(3F)/(4)`

`(7F)/(8m)`

`(6F)/(7)`

`(4F)/(5)`

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