A horizontal beam AB has a guided support at end A and carries a load Q at end B, as shown in the figure part (a). The beam is supported at C and D by two identical pinnedend columns of length L. Each column has flexural rigidity EI.
(a) Find an expression for the critical load Qcr. (In other words, at what load Qcr does the system collapses because of Euler buckling of the columns?
(b) Repeats (a) but assume a pin support at A. Find an expression for the critical moment Mcr (i.e., find the moment M at B at which the system collapses because of Euler buckling of the columns).
