Question

The moment of inertia of a circular ring of radius $'r'$ and mass $'M'$ about diameter is

• A. $\frac{Mr^2}{4}$
• B. $\frac{Mr^2}{2}$
• C. $\frac{Mr^2}{12}$
• D. $\frac{2}{5}{Mr^2}$

Answer 1

Answer: (B)

$\frac{Mr^2}{2}$

Answer 2

Moment of inertia of a circular ring about a diameter
$I=\frac{1}{2} M r^{2}$