For the 2-kg connecting rod shown, it has been experimentally determined that the mass moments of inertia

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For the 2-kg connecting rod shown, it has been experimentally determined that the mass moments of inertia of the rod with respect to the center-line axes of the bearings AA′ and BB′ are, respectively, IAA′ = 78 gm2 and IBB′ = 41 gm2. Knowing that ra + rb= 290 mm, determine 

(a) The location of the centroidal axis GG′ 

(b) The radius of gyration with respect to axis GG′

8'

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