JEE Main 2021 — Rotational Motion Question with Solution
From: JEE Main 2021 (Online) 17th March Morning Shift
Question
The angular speed of truck wheel is increased from 900 rpm to 2460 rpm in 26 seconds. The number of revolutions by the truck engine during this time is _____________. (Assuming the acceleration to be uniform).
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Show full solutionCorrect answer: 728
Correct answer
728
Step-by-step explanation
= 2 rad/sec2
No. of revolution
= 728
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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.