JEE Main 2019 — Rotational Motion Question with Solution
From: JEE Main 2019 (Online) 11th January Evening Slot
Question
A circular disc D1 of mass M and radius R has two identical discs D2 and D3 of the same mass M and radius R attached rigidly at its opposite ends (see figure). The moment of inertia of the system about the axis OO' ,passing through the centre of D1 as shown in the figure, will be :
This question includes a diagram. The text above accompanies the figure.
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Show full solutionCorrect option: A
Correct answer
A3MR2
Step-by-step explanation
I
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This is a previous-year question from JEE Main 2019, covering the Rotational Motion chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.