From the sketch, we can see that the shear stress on the x face rotates the element counterclockwise; therefore, the point is plotted below the σ axis.
Plot the state of stress acting on the x face. Label this point x.
From the sketch, we can see that the shear stress on the x face rotates the element counterclockwise; therefore, the point is plotted below the σ axis.
Plot the state of stress acting on the x face. Label this point x.