engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Physics Rotational Motion Rotational Inertia
Consider a uniform wire of mass M and length L. It is bent into a semicircle. Its moment of inertia about a line perpendicular to the plane of the wire passing through the centre is :
1
\(\frac{ML^{2}}{\pi^{2}}\)
2
\(\frac{1}{2} \frac{ML^{2}}{\pi^{2}}\)
3
\(\frac{1}{4} \frac{ML^{2}}{\pi^{2}}\)
4
\(\frac{2}{5} \frac{ML^{2}}{\pi^{2}}\)