Drafting Technology - Strength of Materials

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I have to write a paper on the strength of materials. This one paper is the grade for the entire class. I'm currently working on research on the following: Concepts of stress, concepts of strain, tension, moments of inertia, and beam bending. This is all a part of drafting. I have to research Hooke's Law as well. Does anyone have any information that could help my research along. I greatly appreciate it. Thanks!