The truss structure shown in Figure 4 is subjected to a vertical force P= 1 at...

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The truss structure shown in Figure 4 is subjected to a vertical force P= 1 at point 3. Let a = 1. Each bar has the same EA = 1. Calculate the nodal displacements and elemental internal forces by the displacement method. 4 a=1 P=1 + Figure 4 2 3 a=1 The truss structure shown in Figure 4 is subjected to a vertical force P= 1 at point 3. Let a = 1. Each bar has the same EA = 1. Calculate the nodal displacements and elemental internal forces by the displacement method. 4 a=1 P=1 + Figure 4 2 3 a=1

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