Question

The moment of inertia of a uniform circular disc is maximum about an axis perpendicular to the disc and passing through

• A. B
• B. C
• C. D
• D. A

Answer 1

Answer: (A)

According to the theorem of parallel axes,
$I=I_{CM}+M{a}^2$
As $a$ is maximum for point $B$.
Therefore $I$ is maximum about $B$.