1. A fatigue test was conducted in which the mean stress was 90 MPa (13050 psi), and the stress amplitude was 230 MPa (33360 psi}.
2. a. Compute the maximum stress level.
3. b. Compute the minimum stress level. 
4. c. Compute the stress ratio.
5. d. Compute the magnitude of the stress range.

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To solve this problem we can use the equations related to stress in fatigue testing a Maximum ... View the full answer