Section: Solid Mechanics | Marks: 2
An L-shaped bar of square cross-section with sides, $b$, is loaded as shown in the figure. If the value of the stress component $\sigma_{xx}$ at point P is zero, the distance $a$ of the force $F$ from the $x$-axis should be

- A. $b$
- B. $b/2$
- C. $b/3$
- D. $b/6$