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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A rigid body can be hinged about any point on the axis. When it is hinged such that the hinge is at , the moment of inertia is given by . Then the X-coordinate of centre of mass is,

Answer: (B)

Solution

The moment of inertia is least about the centre of mass (parallel-axis theorem, ), so set

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Question ID VK-040609