Show the normal and shear stresses on a stress element representing the state of stress at .
The shear stress at acts downward on the face of the stress element (i.e., in the same direction as the shear force ).
Show the normal and shear stresses on a stress element representing the state of stress at .
The shear stress at acts downward on the face of the stress element (i.e., in the same direction as the shear force ).