state gov BSSC Laboratory Assistant Mock Test Series 2025 Physics Rotational Motion Rotational Inertia
Two spheres each of mass 'M' and radius \(\frac{R}{2}\) are connected at the ends of massless rod of length '2R'. What will be the moment of inertia of the system about an axis passing through centre of one of the spheres and perpendicular to the rod?
1
\(\frac{2}{3}MR^2\)
2
\(\frac{5}{2}MR^2\)
3
\(\frac{5}{21}MR^2\)
4
\(\frac{21}{5}MR^2\)