List of top Solid Mechanics Questions on Geometry

Consider a beam with a square box cross-section as shown in the figure. The outer square has a length of 10 mm. The thickness of the section is 1 mm. The area moment of inertia about the x-axis is ............ mm\(^4\) (in integer).

A rod is subjected to three forces as shown in the figure on the left. An equivalent force system with forces $F_1$, $F_2$ and moment $M$ is shown in the figure on the right. The value of $M$ (in N·m) is ................ (rounded off to one decimal place).