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A disc of radius a and mass m rests between two light rods which are...

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Physics

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A disc of radius a and mass m rests between two light rods which are smoothly hinged together at point O with their ends A and B resting on a smooth table and are maintained in equilibrium by string AB as shown in the figure Choose the correct option s B The magnitude of normal force acting on the rod at point A is C The tension in the string AB is Aa mg A The magnitude of normal force acting on the rod at point A is 2 mg 2 mg D The tension in the string AB is 2 a cota sec a C OA OB C a tan a cos ec a B mg 2 cos a

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