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Grade 11Most Scoring Topics in IIT JEE

four rods of length l and mass m each form a sqaure as shown. The moment of intertia about the axis shown is

The answer is 5ml^2/3. thanks in advanced.

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Profile image of simran
8 Years agoGrade 11
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Profile image of Tanmay Durape
ApprovedApproved Tutor Answer8 Years ago
The moment of inertia of the 2 rods which are perpendicular to the axis is(ml2/3+ml2/3)+ml2(of the rod parallel to the given axis) and one rod passing through the axis has zero M.O.I.