A steel cantilever beam, of length 2L, has an I-section, see Figure Q3. The cantilever beam is under a uniformly distributed load q = 285 kN/m applied in its vertical plane of symmetry at OA part of the span. The yield strength of the steel is [] = 360 MPa; the Young's modulus E = 216 GPa. L= 3 m and the coordinates of Point H are x= 0 mm, y = -80 mm, z= 0 mm. y 9 L A B 20mm L Figure Q3 y -220mm b 10mm H. 20mm 180mm