MHT CET Physics question
Three points masses, each of mass 'm' are placed at the corners of an equilateral triangle of side 'l'. The moment of inertia of the system about an axis passing through one of the vertices and parallel to the side joining other two vertices, will be [MHT-CET 2020, MHT-CET 2020]
Answer: (D)
Solution
The other two masses are each at distance from the axis, so
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