scientechnical hub # lecture by ashok.m            simple stresses and strains  PLEASE REFER THE BELOW LINKS FOR TO WATCH THE RELATED CLASSES    note; kindly refer the youtube classs on simple stresses and strains before going through the notes ,then only you will better understand this class notes. Stress ; Internal resistance per unit area Stress =External load /area Kn/m² or N/mm²  Types   1.According to the type of body  2.According to the nature of stress   According to the type of body   1.Uni axial   2.Biaxial  3.Triaxial 1.Tensile stress : External force produced elongation of the body in its direction it is termed as external force The stress is called Tensile stress . 2.Compressive stress : External force cause the shortening of the body in the direction of force ,The stress is called Tensile stress. 3.Shear stress :The tangential stress acting along the section of the body. Strain : It is the measure of deformation produced by the a