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Question

Question: In what will be the moment of inertia of the disc about y–axis?...

In what will be the moment of inertia of the disc about y–axis?

A

12\frac{1}{2}MR2

B

14\frac{1}{4}MR2

C

12\frac{1}{2}M (R2 + 2a2 )

D

14\frac{1}{4}M (R2 + 4a2)

Answer

14\frac{1}{4}M (R2 + 4a2)

Explanation

Solution

Iy = ma2 + mR24\frac{mR^{2}}{4}= m4\frac{m}{4} [R2 + 4a2]`