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thephysicsman

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## Homework Statement

[PLAIN]http://img17.imageshack.us/img17/5112/ph2b.jpg a) This steel beam has a quadratic cross-section (A=100mm2). The force F is 10 kN. Calculate the stress in the rod and show that this stress does not exceed the yield strength of the steel.[PLAIN]http://img600.imageshack.us/img600/1163/phya.jpg

**2. The attempt at a solution**

a)

[tex]\sigma = \frac{10000N}{0.0001m^2}=100 MPa[/tex]

I guess this is right? I'm not sure what the yield strength is. Can I calculate it from the given formulas?

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