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hello again ma 3181 lecture to the subject of this lecture and the objective for next week's experiment is the determination of the response stress versus strain for a typical material the relationship between stress and strain for a given material is referred to as a constitutive equation for the material as the reference for what you're going to be doing here I'm going to direct you to your textbook for ma 2312 mechanics of materials and very specifically two sections 1. 3 through 1. 6 again sections 1.

3 to 1. 6 inclusive in the textbook section 1. 3 normal stress and strength section 1.

4 the dresses mechanical properties of materials this is the very core what we're gonna be linked here section 1. 5 if I can find the beginning of that section address is one second elasticity plasticity and creep and finally section 1.