The stresses acting on element B in the web of a wide-flange beam are found to be 14,000 psi compression in the horizontal direction and 2600 psi compression in the vertical direction (see figure). Also, shear stresses of magnitude 3800 psi act in the directions shown.
Determine the stresses acting on an element oriented at a counterclockwise angle of 40° from the horizontal. Show these stresses on a sketch of an element oriented at this angle.

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2600 psi 14,000 psi 3800 psi Side View Cross Section