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JEE Main 2003 Physics question

PhysicsLaws of MotionJEE Main 2003

A block of mass 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

Answer: (4)

Solution

The rope and block move together with acceleration . The only horizontal force on the block is the pull of the rope, so

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Question ID VK-038074