Determinate structures are analysed just by the use of basic Equilibrium Equations. By this analysis, the unknown reactions are found for the further determination of stresses. Redundant or indeterminate structures are not capable of being analysed by mere use of basic Equilibrium Equations. Along with the basic equilibrium equations, some extra conditions are required to be used like compatibility conditions of deformations etc to get the unknown reactions for drawing bending moment and shear force diagrams. 

Example of determinate structures are: simply supported beams, Cantilever beams, single and double overhanging beams, three hinged arches, etc.