JEE Main 2021 — Rotational Motion Question with Solution
From: JEE Main 2021 (Online) 25th February Evening Shift
Question
A sphere of radius 'a' and mass 'm' rolls along a horizontal plane with constant speed v0. It encounters an inclined plane at angle and climbs upward. Assuming that it rolls without slipping, how far up the sphere will travel?
This question includes a diagram. The text above accompanies the figure.
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
From energy conservation
mgh =
mgh =
gh =
gh =
h =
from triangle,
then h = l sin
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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.