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A block of mass M is pulled along a hori...

A block of mass `M` is pulled along a horizontal frictionless surface by a rope of mass `m` . Force F is applied at one end of rope. The force which the rope exerts on the block is:

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Acceleration in (block + rope) system

i.e., `F=(M+m)a=Ma+ma`
The force with which the rope exerts on the black is `P=Ma=M.(F)/((M+m))`
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