Physics · 2021
JEE Main · 3 August 2021, Shift 2 · Q4
A solid sphere of radius R has mass M. A rod of mass m is attached tangentially to the sphere. What would be the moment of inertia of the system…
A solid sphere of radius $\displaystyle R$ has mass $\displaystyle M$. A rod of mass $\displaystyle m$ is attached tangentially to the sphere. What would be the moment of inertia of the system about the axis of the rod, if its diameter is negligibly small compared to $\displaystyle R$ ?
Official answer
(2)
$\displaystyle 1.4 M R^2$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.