Calculate the maximum shear stress Ïmax and the maximum bending stress Ïmax in a wood beam (see

Calculate the maximum shear stress τmax and the maximum bending stress σmax in a wood beam (see figure) carrying a uniform load of 22.5 kN/m (which includes the weight of the beam) if the length is 1.95 m and the cross section is rectangular with width 150 mm and height 300 mm, and the beam is (a) simply supported as in the figure part (a) and (b) has a sliding support at right as in the figure part (b).

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22.5 kN/m 300 mm HR 150 mm 1.95 m 22.5 kN/nm 1.95 m