Moment of inertia of a uniform solid sphere of mass M and radius R about an axis through center:
AMR²/2
BMR²/3
C2 MR²/5
DMR²
Answer & Solution
Correct answer: C. 2 MR²/5
For solid sphere about diameter: I = (2/5)MR². (Hollow sphere: I = (2/3)MR²; ring: MR²; disc: MR²/2.)
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