For the beam below (see dimensions below); (1) Calculate, dimension and sketch the location of the horizontal centroidal axis (2) Calculate the Second Moment of Area Ixx (horizontal axis only) (3) Calculate the Section Modulus Zxx (horizontal axis only) Make sure you show all calculations y Yt Yb - b -b/2- -b/2- B/2 B a X B/2 The Engineering ToolBox Ct ht 1 ho 1 H The dimensions for the beam are as follows: B= 125mm b = 75mm a= 12mm Cb = 15mm Ct = 12mm H= 300mm