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The radius of gyration of a sphere of radius R about a tangent is
Asked by priyagosai08 | 11 Dec, 2019, 23:50: PM
answered-by-expert Expert Answer
 
Moment of inertia I of solid sphere about an axis passing through centre is given by, I = (2/5)MR2
 
By parallel axis theorem, Moment of Inertia I' of solid sphere about an axis at atngent is given by,
 
I' = (2/5)M R2 + M R2 = (7/5) M R2
 
Hence radius of gyration of a sphere about tangent = (7/5)R2
Answered by Thiyagarajan K | 12 Dec, 2019, 00:20: AM

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