<P>안녕하세요 Storm입니다. </P>
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<P>레포트가영어라ㅠㅠ 해석좀해주세요형님들 전공영어라서 해석안되는용어부분은 해석안해주세요되요 . 부탁드리겠습니다.잘해주신분 아뒤 Pedro 드릴께용.....</P>
<P> </P>
<P>A speicman of a methacrylate plastic is tested in tension at room temperature(see figurer). producing the stress-strain data listed in the accompanying table.</P>
<P>Plot the stress-strain curve(응력,변형률 곡선) an determine the proportional limit(비례한도), modules of elasticity(탄성계수)(ie.,the slope of the initial part of stress-strain curve), and yeild stress at 0.2offset(오프셋항복응력) .</P>
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<P>A pick up truck tailgate supports a crate an shown in the figure. The tailgate weighs wt=60Ib and is supported bu two cables(only one is show in the figure). Each cable has an effective cross. Sectional area Ae=0.017in.</P>
<P> </P>
<P>(a) Fing the tensile force.Tand normal stress X in each cable.</P>
<P>(b) If each cable elongates y=0.01in due to the weight of both the crate and the tailgate.</P>
<P> </P>
<P> </P>
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