Stress 上清充通大￥ SHEAMGRAI DUD TONO UHTVEREETTY Definition of stress Stress The total stress can be resolved into two components,: > a normal stress o perpendicular to A, > a shearing stress(or shear stress)t lying in the plane mm of the area P P cos0 T=-sin0 A F A Institute of Forming Technology Equipment 11Institute of Forming Technology & Equipment Stress Definition of stress 11 Stress The total stress can be resolved into two components,:  a normal stress σ perpendicular to A,  a shearing stress (or shear stress)  τ lying in the plane mm of the area cos P A    sin PA   