RINCIPAL STRESS CcM PONENT ROTATO 3 COORD SYSTEM i13 2102223 G、12 S HEAR5τRG5 SIMPLE CASES UNI AXIAL TENSION 1 BI AXIAL TeNsI q22 TRIAXIAL V \ENSU RED
TRAIN A STRAIN sales defoe motion (not risid ROTATE body co+aten∞c trans lation) efms f felt IS DEFLRN MORE GENERALLY A DEFORM NEED 2 PoINTS O& CANOT DISTEMcuLSH DISPLACEMENT GRDN DEFORMATION B de wotes a small A qam. A MEASURE oF DEFORMAToN: ds'-ds d dxi - dxidx