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Unformatted text preview: Plastic- change in shape of material is not reversible and remains after deformation Stiffness= load/deformation Stress, strain, stiffness Stress=load/cross sectional area Force= mass x acceleration A Newton is a unit of force and is a kg m/sec squared A pascal is a unit of stress...
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This document was uploaded on 10/17/2011.
- Spring '10