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A square is made by joining four rods each of mass M and length L. Its moment of inertia about an axis PQ, in its plane and passing through one of its corner is

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a
6ML2
b
43ML2
c
83ML2
d
103ML2

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detailed solution

Correct option is C

By theorem of parallel axes, I1=I2+(4M)r2=4ML23sin245°+4M2L22=83ML2


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