Question 2 (15 points). The beam in the figure is subjected to a uniform distributed load causing it to bend. The resulting bending moment is 1300 kN.m Beam's cross section 400 mm 140 mm 140 mm 200 mm 300 mm 300 mm 100 mm 100 mm (a) Find the distance from the bottom of the beam to its neutral axis (passing through the centroid). (4 points) (b) Calculate the moment of inertia of the cross section of the beam. (3 points) (c) Calculate the maximum compressive stress developed in the beam. (4 points) (d) Calculate the maximum tensile stress developed in the beam. (4 points)