Question: Beam ABC is supported by a tie rod CD as shown (see Prob. 10.4-9). Two configurations are possible: pin support at A and downward triangular

Beam ABC is supported by a tie rod CD as shown (see Prob. 10.4-9).
Two configurations are possible: pin support at A and downward triangular load on AB, or pin at B and upward load on AB. Which has the larger maximum moment?
First, find all support reactions, then plot axial force (N), shear (V) and moment (M) diagrams for ABC only and label all critical N, V & M values. Label the distance to points where any critical ordinates are zero.
(a)

Ca Dy Moment releases | | 4 P-40L qo at B inear q(x) Ar PL Ay

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