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The moment of inertia of a system of four rods, each of length I and mass m, about the axis perpendicular to plane of square as shown is
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Correct option is D
Moment of inertia about axis 2 which is parallel to axis 1:I2=4ml212+ml22=4ml23Apply perpendicular axis theorem,I1=I2+4mx2=4ml23+4ml22=103ml2Similar Questions
The radius of gyration of a rod of length L and mass M about an axis perpendicular to its length and passing through a point at a distance L/3 from one of its ends is
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