JEE Main 2026 — Rotational Motion Question with Solution
JEE Main 2026 (06 April Shift 1)
Question
A solid sphere of radius cm and mass kg is rotating (rotation axis is passing through the centre of the sphere) with an angular velocity of rpm. It is brought to rest in s by applying a constant torque. The torque applied and the number of rotations it made before it comes to rest are _______ and _______ respectively.
Choose an option
Show full solutionCorrect option: D
Correct answer
D Nm,
Step-by-step explanation
Initial angular velocity
Final angular velocity
Time
Angular acceleration
Moment of inertia of the solid sphere
Torque
Angle rotated
Number of rotations
Answer: Nm,
Final angular velocity
Time
Angular acceleration
Moment of inertia of the solid sphere
Torque
Angle rotated
Number of rotations
Answer: Nm,
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This is a previous-year question from JEE Main 2026, 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.