1.

A planar body is lying in the xz plane. What is the relation between its moment of inertia along the x, y & z axes?

A. I<sub>z</sub> = I<sub>x</sub> + I<sub>y</sub>
B. I<sub>x</sub> = I<sub>x</sub> + I<sub>z</sub>
C. I<sub>y</sub> = I<sub>x</sub> + I<sub>z</sub>
D. I<sub>z</sub> = I<sub>x</sub> = I<sub>y</sub>, because body is planar
Answer» D. I<sub>z</sub> = I<sub>x</sub> = I<sub>y</sub>, because body is planar


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