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359_Mechanics Homework Mechanics of Materials Solution

359_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: PROBLEM 4.87 4587 through 4. 90 For the bar indicated, determine (a) the fully plastic moment M, I (b) the shape factor of the cross section. 4.87 BarofProb. 4. 83 SOLUTION Fm». ‘PROBLEM 4.33 E = zoo G94. mi 6} =2~to MPa, A, = (‘40)(30) =’ 1200 Ham‘- = IROOvIo" m‘ = 6} A. = (240 xzo‘ )(l2oo x to") = (288x103)(0.030) - 2.9; .105 M-m = €5(Ho3(eo\3 .. mums m" = 7zoxzo'°' OOBOM 4 £240on )(720xzo"‘) 576 Wm O. 030 ...
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