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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

Three point masses, each of mass are placed at the corners of an equilateral triangle of side . 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 [MHTCET 2022]

Answer: (C)

Solution

The two other masses are each at perpendicular distance √3 l/2 from the axis: I = 2m(3l²/4) =

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Question ID VK-040777