Idealization of structures Supports of plane structures Free body diagram, Equations of Equilibrium Linearity and Superposition  Analysis of Statically Determinate Beams, Frames, Trusses Axial/ Shear Force and Bending Moment Diagrams Symmetric and Antisymmetric Loading Influence Lines Elastic Line Principle of Virtual Work The Unit-Load Method Calculation of Displacements with the Unit-Load Method The Betti-Maxwell Reciprocity Theorem Analysis of Statically Indeterminate Structures Approximate Analysis of Statically Indeterminate Structures