Questions
The moment of inertia of a uniform thin rod of mass m and length l about two axis PQ and RS passing through centre of rod C and in the plane of the rod are and respectively. Then is equal to
detailed solution
Correct option is D
The MI of of rod about axis PQ figure (a) and MI of rod about axis P'Q' figure (b) are same by symmetry.∴ IPQ+ IRS = IPQ+IRS = ml212by perpendicular axis theorem.Talk to our academic expert!
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Moment of inertia of ring about its diameter is I. The moment of inertia of the same ring about that axis
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