lecture 1 stress 16 july 2007 ent 450 mechanics of materials dr. haftirman 1 ent 450 mechanics of...

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Lecture 1 Stress 16 July 2007 ENT 450 Mechanics of Materials Dr. Haftirman 3 STRESS  Introduction  Equilibrium of a deformable body  Stress  Average normal stress in an axially loaded bar  Average shear stress  Allowable stress