A) three rods, each of mass m and length , are joined together to form an equilateral triangle. Find the moment of inertia of the system about an axis passing through its centre of mass and perpendicular to the plane of the triangle. (b) also find the radius of gyration about the same axis.
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find the moment of inertia of the system about an axis passing through its center of mass and perpendicular to the plane of the triangle .b also find the radius of gyration about the same axis.
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Icm = Ml^2/2
Radius of gyration= L/6^1/2
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