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Beams AB and BC are connected with a hinge at B. Select the lightest W-shape for each beam if the working stress in bending

Beams AB and BC are connected with a hinge at B. Select the lightest W-shape for each beam if the working stress in bending is 150 MPa. What are the maximum bending stresses in the selected beams? |A -2 m B 14 kN/m 5 m FIG. P5.52 C

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