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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A thin rod of length and mass is bent at its mid-point into two halves, so that the angle between them is . What is the moment of inertia of the bent rod about an axis passing through the bending point and perpendicular to the plane defined by the two halves of the rod?

Answer: (D)

Solution

Each half (mass , length ) rotates about its end: , and

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Question ID VK-040707