3. The simply supported beam in the figure has a rectangular cross section 120 mm wide and 200 mm high. Compute the following: a. Maximum shear. b. Maximum bending moment. c. Maximum bending stress. d. Maximum shearing stress. |15 kN 6 kN/m 100 mm E NA B D 100 mm 0.8 m 120 mm 2 m 1.0 m RA = 14 kN RE = 19 kN

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