Locate the centroid of the cross-sectional área. B. Determine the moments of inertia and the product of inertia about the XY axes with origin at C. C. Determine the principal moments of inertia with respect to the axes Ѵ,ꭒ rotated 60° as shown in figure N°3

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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.