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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A uniform rod of length and mass 1.8 kg rests on two measuring scales at its two ends. A uniform block of mass 2.7 kg is placed on the rod at a distance from the left end. The force experienced by the measuring scale on the end nearer to the block is

Answer: (C)

Solution

Taking torques about each end, the reaction at the end NEARER the block (the left end, at distance ) is N, and the

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Question ID VK-158937