This course is for students in Physics, Mechanical Engineering, Applied Mechanics and Civil Engineering. This course introduces many definitions like Structures, Mechanisms, Deformable body, Rigid Body, Body force, Boundary force, Method of Sections, Equilibrium equations, degrees of freedom, Trusses, Beams, Frames, Cables and Shafts. This short course prepares student for the further study of Mechanics of Solids, Strength of Materials or Design of structures.