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Questions  

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

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

detailed solution

Correct option is C

I=Icm+Mtotr2 =4ML23sin2450+4ML22  =83ML2

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