JEE Main 2024 — Rotational Motion Question with Solution
From: JEE Main 2024 (Online) 6th April Evening Shift
Question
Three balls of masses and respectively are arranged at centre of the edges of an equilateral triangle of side . The moment of inertia of the system about an axis through the centroid and perpendicular to the plane of triangle, will be ________ .
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Show full solutionCorrect answer: 4
Step-by-step explanation
Moment of inertia about c and perpendicular to the
plane is :
Distance between centroid and midpoint of sides
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This is a previous-year question from JEE Main 2024, 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.