The pendulum consists of two rods AB and OC, which have a mass density of 3kg/m. The thin disk has a mass of 12 kg/m2. Determine the location of the center of mass of the pendulum, calculate the mass moment of inertia about the axis perpendicular to the sheet and passing through point G. Report only the moment of inertia in terms of [kg m2].

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Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.