Question: The beam has a rectangular cross section and is subjected to the loadings shown. Determine the principal stresses at point A and point B, which

The beam has a rectangular cross section and is subjected to the loadings shown. Determine the principal stresses at point A and point B, which are located just to the left of the 20-kN load. Show the results on elements located at these points.

20 kN 100 mm 10 kN, 100 mm •B 100 mm IA 50 mm 50 mm 2 m

20 kN 100 mm 10 kN, 100 mm B 100 mm IA 50 mm 50 mm 2 m

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