Questions
From a circular disc of radius R and mass 9M, a small disc of mass M and radius is removed concentrically. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through its centre is :
detailed solution
Correct option is
Use parallel axis theoremI0=12(9M)R2−12(M)R32=409MR2Talk to our academic expert!
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The moment of inertia of a thin uniform rod of mass M and length L about an axis passing through its mid-point and perpendicular to its length is I0 , Its moment of inertia about an axis passing through one of its ends and perpendicular to its length is
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