δ=(80,000)(2)(400×10-6)(200×109)delta equals the fraction with numerator open paren 80 comma 000 close paren open paren 2 close paren and denominator open paren 400 cross 10 to the negative 6 power close paren open paren 200 cross 10 to the nineth power close paren end-fraction
The most basic concepts involve forces applied along the longitudinal axis of a member. The internal force per unit area. Mechanics of Materials - Formulas and Problems:...
σ=PAsigma equals the fraction with numerator cap P and denominator cap A end-fraction The deformation per unit length. Mechanics of Materials - Formulas and Problems:...
Bending moments cause internal stresses that vary linearly from the neutral axis. Mechanics of Materials - Formulas and Problems:...
δ=PLAEdelta equals the fraction with numerator cap P cap L and denominator cap A cap E end-fraction 2. Torsion (Circular Shafts)