Physics · 2019
JEE Main · 10 January 2019, Shift 2 · Q7
Two identical spherical balls of mass M and radius R each are stuck on two ends of a rod of length 2 R and mass M (see figure). The moment of inertia…
Two identical spherical balls of mass M and radius R each are stuck on two ends of a rod of length $\displaystyle 2$ R and mass M (see figure). The moment of inertia of the system about the axis passing perpendicularly through the centre of the rod is :
Official answer
(2)
$\displaystyle \frac{137}{15} \mathrm{MR}^2$
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JEE Main 2019 Physics question, with the answer from NTA’s final answer key. Where our answers come from.