(15 marks) 1.a/Draw and clearly label the shear and bending moment diagrams for the beam shown in the figure. b/ Determine maximum bending moment and max shear. c/Determine the maximum horizontal shear stress and the maximum normal stress if the beam's cross-sectional dimensions are 200 mm by 200 mm (square cross section). 8 kN 8 kN ☐ 15 kN/m B 20 kN·m 0.25 m 1 m 0.75 m- 1 m 1 m