Creаte 5 vаriаtiоns оf the fоllowing problem but do not show the answers. At a point on the free surface of a steel automotive component [E = 28,400 ksi,ν = 0.18], a strain rosette was used to obtain normal strains of εa = 109 με, εb = –485 με, and εc = 299 με. Determine normal strain εx at the point.