Question

Q. The moment of inertia of a solid sphere about a tengent is
A. 2/5 MR^2
B. 2/7 MR^2
C. 2/3 MR^2
D. 7/5 MR^2​

Answer 1

It's

2/5 MR2 + MR2 = 7/5 MR2

(Used parallel axis theorem here)

Answer 2

I = 2/5 MR² + MR²

I = 7/5 MR²

THEOREM APPLIED = PARALLEL AXIS THEOREM

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