Problem 1: SPC - Penalty Method 3.10. Consider the bar in Fig. P3.10. Determine the nodal displacements, element stresses, and support reactions. 400 mm 250 mm 300 kN 600 kN 150 mm 150 mm 200 mm 200 mm 3.5 mm E = 200 x 109 N/m FIGURE P3.10