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QJEEM24Ph09b4: JEE Main 2024 Physics - Class 11 JEEM24Ph09b4 Solution: Three balls of masses 2   kg , 4   kg and 6   kg …

Three balls of masses 2 kg,4 kg and 6 kg respectively are arranged at centre of the edges of an equilateral triangle of side 2 m. The moment of inertia of the system about an axis through the centroid and perpendicular to the plane of triangle, will be ________ kg m2.

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JEE Main 2024 (Online) 6th April Evening Shift Physics - Rotational Motion Question 13 English Explanation Moment of inertia about c and perpendicular to the plane is :

I=2×(a23)2+4×(a23)2+6(a23)2I=4 kg m2

Distance between centroid and midpoint of sides

=a23

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