| Practice Problem 8-2 (a) |
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Given:
An element is subjected to the following stress: Req'd: |
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Solution: Using the stress transformation equations or the Stress Transformation Calculator, the new stress is: sx' = (sx+sx)/2 + (sx-sy)cos(2q)/2 + (txy)sin(2q) sx' = (-10 + 5)/2 + (-10 - 5)cos(40)/2 + (15)sin(40) = 1.4 ksi |
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