JEE Main 2011 — Rotational Motion Question with Solution
From: AIEEE 2011
Question
A pulley of radius is rotated about its axis by a force newton (where is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is - the number of rotation made by the pulley before its direction of motion is reversed, is:
Choose an option
Show full solutionCorrect option: A
Correct answer
Amore than but less than
Step-by-step explanation
Given , R = 2 m and = 10 kg m2
Torque applied on pulley
[ as ]
( At )
Torque applied on pulley
[ as ]
( At )
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This is a previous-year question from JEE Main 2011, 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.