JEE Main 2021 — Rotational Motion Question with Solution
From: JEE Main 2021 (Online) 20th July Evening Shift
Question
Two bodies, a ring and a solid cylinder of same material are rolling down without slipping an inclined plane. The radii of the bodies are same. The ratio of velocity of the centre of mass at the bottom of the inclined plane of the ring to that of the cylinder is . Then, the value of x is _____________.
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Show full solutionCorrect answer: 3
Correct answer
3
Step-by-step explanation
I in both cases is about point of contact
Ring
mgh =
mgh =
Solid cylinder
mgh =
mgh
Ring
mgh =
mgh =
Solid cylinder
mgh =
mgh
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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.