among the plans subjected to the given loads shown in Fig. 2, which plan exhibits the smallest lateral displacement at the connections if the flexural rigidity of all members are EI;

Answer the question using the diagrams in figure 2

Extracted text: among the plans subjected to the given loads shown in Fig. 2, which plan exhibits the smallest lateral displacement at the connections if the flexural rigidity of all members are EI;


Extracted text: 1/2 1/2 1/2 1/2 21 21 (a) Plan 1 (b) Plan 2 1/2 P 1/2 21 (c) Plan 3 Fig. 2 Plans subjected to external loads