고체역학 (Gere) — Shear Forces and Bending Moments: Problem 4.5-9

4.5-9 A simply supported beam \(ABC\) is loaded at the end of a bracket \(BDE\) (see figure). Draw axial-force, shear-force, and bending-moment diagrams for \(ABC\). Given Parameters from Figure: Beam segments: \(AB = L/3\), \(BC = 2L/3\). Total length \(AC = L\). Bracket dimensions: Vertical segment \(BD = L/3\), Horizontal segment \(DE = L/3\). Applied forces at point \(E\): Vertical force \(2P\) (upward), Horizontal force \(P\) (to the right). Support at \(A\): Pin support. Support at \(C\): Roller support.