Physics · 2021
JEE Main · 31 August 2021, Shift 2 · Q14
A system consists of two identical spheres each of mass 1.5 kg and radius 50 cm at the ends of a light rod. The distance between the centres of the…
A system consists of two identical spheres each of mass $\displaystyle 1.5$ kg and radius $\displaystyle 50$ cm at the ends of a light rod. The distance between the centres of the two spheres is $\displaystyle 5$ m. What will be the moment of inertia of the system about an axis perpendicular to the rod passing through its midpoint ?
Official answer
(1)
$\displaystyle 19.05 \mathrm{kgm}^2$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.