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One end of a uniform rod of mass m and length  is clamped. The rod lies on a smooth horizontal surface and rotates on it about the clamped end at a uniform angular velocity  . The force exerted by the clamp on the rod has a horizontal component

1. m  2 
2. zero
3. mg
4. 1 2 m  2  (SECTION-B)

Correct answer: 1 2 m  2  (SECTION-B)

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