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Physics · 2018
JEE Main 2018 · 2018-04-08 Offline · Q6
Seven identical circular planar disks, each of mass M and radius R are welded symmetrically as shown. The moment of inertia of the arrangement about…
Seven identical circular planar disks, each of mass M and radius R are welded symmetrically as shown. The moment of inertia of the arrangement about the axis normal to the plane and passing through the point P is :
Official answer
(4)
$\displaystyle \frac{181}{2} \mathrm{MR}^2$
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JEE Main 2018 Physics question, with the answer from NTA’s final answer key. Where our answers come from.