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806_Mechanics Homework Mechanics of Materials Solution

806_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: bfiwmwwWfl-uw— PROBLEM 7.52 7.52 Solve Prob. 7.30, using Mohr's cimle, 7.30 For the state of plane maul-town, determine (a) the value of r” for which the in—plane shearing stress parallel to the weld is zero, (b) the corresponding principal stresses. or: L_i SOLUTION Poin‘l' X 0? Maine‘s chm/Fe Most? fife on X'x" So 'Hmj' 6.x 3 I2- MP‘... LI'hE-un-SCJ Poin'i Y 36:: Ofl Joint. Y'Y" 50 ‘quf 6} = 2 HPq, _ TLe caovwffndes OF C m 3-33, o = (7MPa,0). Coon‘i er afloak M‘sae. rafts/hon 'HwouEIIn ISO” =bn'was' 1;»; ex +» cs) when 1:: o. ’R =: 53% sec. 30° '= ‘22-: 2-. 50-6 30. = 5.77 MP4. J ( 213: :- -§‘-%§r" +M$ 30° 5 “BEE—2 den 30° ='2. 89' MPG. l2. 77 MP4. "" L23 H91 ...
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