The three homogeneous rods shown in the figure below are welded together at O to form a rigid body. The length of A, B, and Care 1.4 m, 2.2 m, and 3.3 m respectively. The mass of A, B, and Care 1 kg, 2 kg, and 3 kg. Find I in kg.m². Z i B X Figure is from "Engineering Mechanic An Introduction to Dynamics", McGill and King.
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