JEE Main 2021 — Rotational Motion Question with Solution
From: JEE Main 2021 (Online) 27th July Evening Shift
Question
In the given figure, two wheels P and Q are connected by a belt B. The radius of P is three times as that of Q. In case of same rotational kinetic energy, the ratio of rotational inertias will be x : 1. The value of x will be _____________.


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Show full solutionCorrect answer: 9
Correct answer
9
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This is a previous-year question from JEE Main 2021, 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.