For the bar assemblages shown in Figures P3-2 through P3-11, determine the nodal displacements, the forces in each element, and the reactions. Use the direct stiffness method for these problems.

Figure P3-2,

Figure P3-3,

Figure P3-4,

Figure P3-5,

Figure P3-6,

Figure P3-7,

Figure P3-8,

Figure P3-9,

Figure P3-10,

Figure P3-11

E= 210 GPa A = 4 x 104 m? 10 kN Im 1m 2 16,000 lb E - 30 x 10 psi A - 2.0 in? 20 in. 50 in. -