A tensile test specimen has a straight rectangular center section with a thickness of 12.5 mm and a width of 16.0 mm. Gage marks are inscribed 50.0 mm apart when the specimen is in the unloaded condition. Compute the distance between the gage marks when the given material is subjected to an axial tensile stress equal to 50% of the listed tensile strength from the Appendix tables or tables in Chapter. Assume that the materials obey Hooke’s law and that these stresses are below the proportional limit for the materials. Also compute the force required to create this stress level and the strain in the area between the gage marks.Graphite/epoxy, 62% fiber
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