10-3. The state of strain at a point on a wrench has components P x = 120(10 −6 ), P y = −180(10 −6 ), gxy = 150(10 −6 ). Use the strain-transformation equations to determine ( a) the in-plane principal strains and ( b) the maximum in-plane shear strain and average normal strain. In each case specify the orientation of the element and show how the strains deform the element within x - y plane. | |
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