Mechanics of Materials 9th SI Edition · Analysis of Stress and Strain · Problem 7.3-5
Gere & Goodno — Analysis of Stress and Strain: Problem 7.3-5
7.3-5 An element in plane stress is subjected to stresses \(\sigma_x = -38 \text{ MPa}\), \(\sigma_y = -14 \text{ MPa}\), and \(\tau_{xy} = 13 \text{ MPa}\) (see the figure for Problem 7.3-1). Determine the principal stresses and show them on a sketch of a properly oriented element.
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