Calculate the moment of inertia of the steel (p = 7850 kg/m³) control wheel about its central axis, where its cross section is shown. There are eight spokes, each of which has a constant cross-sectional area of 170 mm2. I= 1.86| kg m^2 90 170 mm2 120 50 130 230 410 Dimensions in millimeters

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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.