Question: Problem 7 . 3 - 1 8 An element in plane stress is subject to stresses x = 2 1 5 0 kPa, y =

Problem 7.3-18
An element in plane stress is subject to stresses x=2150kPa,y=375kPa, and xy=-490 kPa
a) Determine the principal stresses and show them on a sketch of a properly oriented element.
b) Determine the maximum shear stresses and associated normal stresses and show them on a sketch of a properly oriented element.
Problem 7 . 3 - 1 8 An element in plane stress is

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