Problem 2 MPa. stress 2 n A = 20 000 mm tw = 18 mm bf = 320 mm tf = 12 mm |= 1569 × 10 "mm 4 d = 500 mm E = = 200 000 MP a Compute the moment of inertia of the composite beam. Compute the section modulus of the section. Compute the moment capacity of the beam. Compute the safe uniform load that the beam could carry.