For the component described in the problem indicated, determine (a) the principal mass moments of inertia at the origin, (b) the principal axes of inertia at the origin. Sketch the body and show the orientation of the principal axes of inertia relative to the x, y, and z axes.
Probs 9.170 For the wire figure of the problem indicated, determine the mass moment of inertia of the figure with respectto the axis through the origin characterized by the unit vector