Questions
Which of the following has the highest moment of inertia when each of them has the same mass and the same radius?
detailed solution
Correct option is C
Let M and R be the mass and radius respectively. Moment of inertia of a ring about any of its diameter isIring = 12MR2Moment of inertia of a disc about any of its diameter isIdisc = 14MR2Moment of inertia of a hollow sphere about any of its diameter isIhollow sphere = 23MR2Moment of inertia of a solid sphere about any of its diameter isIsolid sphere = 25MR2Thus, Ihollow sphere is largest.Talk to our academic expert!
Similar Questions
The moment of inertia of a circular disc of radius 2 m and mass 2 kg, about an axis passing through its centre of mass is 2 kg – . Its moment of inertia about an axis parallel to this axis and passing through its edge (in Kg -) is
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