1.

In the calculations of the moment of inertia of the area about an inclined axis, we have some transformation done. They are:

A. I<sub>u</sub> = I<sub>x</sub> cos2θ + I<sub>y</sub>sin2θ – 2I<sub>xy</sub>cosθsinθ
B. I<sub>v</sub> = I<sub>x</sub>cos2θ + I<sub>y</sub>sin2θ – 2I<sub>xy</sub>cosθsinθ
C. I<sub>u</sub> = I<sub>x</sub>cos2θ + I<sub>y</sub>sin2θ – 2I<sub>xy</sub>cosθsinθ
D. I<sub>v</sub> = I<sub>x</sub>cos2θ + I<sub>y</sub>sin2θ + 2I<sub>xy</sub>cosθsinθ
Answer» E.


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