A wood beam is strengthened using two steel plates as shown in Fig. a. The beam has simple supports and an overhang and is subjected to a point load and a uniform load as shown in Fig.b. Calculate the maximum tensile and compressive stresses of the beam. Assume that E_w = 11GPa and E_s = 200 GPa.

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1 2 +10 A 100 mm q=3.2 kN/m 3 m C B 6 mm 150 mm B 6 mm 10 KN C