The simply supported beam in Figure 2 has a rectangular cross section 120 mm wide and 200 mm high. (1) Compute the maximum bending stress in the beam. (2) Sketch the bending stress distribution over the cross section on which the maximum bending stress occurs. (3) Compute the bending stress on Section B that is 25 mm below the top of the beam. 15 kN 6 kN/m 100 mm E NA-- B D. 100 mm 08 m 120 mm 2 m 1.0m R 14 kN R= 19 kN

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