Question: It is known that for a given area Iy = 48 106 mm4 and Ixy = - 20 106 mm4, where the x and

It is known that for a given area I̅y = 48 × 106 mm4 and I̅xy = - 20× 106 mm4, where the x and y axes are rectangular centroidal axes. If the axis corresponding to the maximum product of inertia is obtained by rotating the x axis 67.5° counterclockwise about C, use Mohr's circle to determine

(a) The moment of inertia I̅x of the area,

(b) The principal centroidal moments of inertia.

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