Architecture and load bearing structure. Basic construction requirements. The notion of load bearing structure and the various types of structural members. Forces and Moments. Types of supports and loads. Statically determinate structures and statically indeterminate structures. Equations of equilibrium. Free body diagram. Calculation of reactions and internal forces and moments. Diagrams of internal forces and moments. Introduction to the notion of stresses. Analysis of statically determinate structures (trusses, etc).