Question

A wire of length $l$ and mass $m$ is bent in the form of a rectangle $ABCD$ with $\frac{AB}{BC}=2$ . The moment of inertia of this wire frame about the side $BC$ is:

• A. $\frac{11}{252}m{l}^2$
• B. $\frac{8}{203}m{l}^2$
• C. $\frac{5}{136}m{l}^2$
• D. $\frac{7}{162}m{l}^2$

Answer 1

The correct option is D $\frac{7}{162}m{l}^2$