The thin-walled section shown in Fig. 3 is subjected to a shear force V= 24 kN. All the dimensions are centerline dimensions for the flange and the web. Determine: (a) The shearing stresses produced at points A, B, and C. (b) The distance (e) to the shear center S. 60 mm 60 mm T 20 mm 20 mm 150 mm C S 40 mm. 150 mm B 60 mm 60 mm