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JEE Main 2003 (AIEEE) · Connected Bodies & Pulleys

Connected Bodies & Pulleys question from JEE Main 2003 (AIEEE)

Q45JEE Main 2003 · AIEEEEasy

Connected Bodies & Pulleys

A block of mass $M$ is pulled along a horizontal frictionless surface by a rope of mass $m.$ If a force $P$ is applied at the free end of the rope, the force exerted by the rope on the block is

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Answer: (d)

System acceleration: $a = \dfrac{P}{M + m}$ .
The rope's force on the block alone gives it this acceleration: $T = Ma = \dfrac{PM}{M + m}$ .
So the answer is (d).

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