Consider a two-dimensional state of stress in the xy plane characterized by: xx = 5,200 yy =

Question:

Consider a “two-dimensional” state of stress in the x–y plane characterized by: σxx = 5,200 σyy = 2,500 τxy = −3,700 where units are psi and tension is positive. Find: the magnitude and direction of the principal stresses and illustrate with a sketch.