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839_Mechanics Homework Mechanics of Materials Solution

# 839_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 7.85 The Ram-diameter shah AB is made of a gmie ofsteel for which the yield PROBLEM 7°36 strength is a,= 250 MPa. Usingthe mmdmmn—shearing-suecs criterion, determine the magnitude of the torque T for which yield newts when P = 240 W. 7.86 Solve Prob. 7.85, using the maximum-distortim-enery criterion. SOLUTION P:- 240x11): N 1. -5 i. A = ﬁrd‘ = ECSS‘J‘r Liawwo‘mm = LH’HWO M a 6x : K ﬁll—mm :- 2H.G,xI06Pa_= 2!}.6 MPG. Gave. 7 \$161 *63) = 7.th = = ,/.-.,Ls‘:+ a; {\$633+ .3‘ Qu‘ﬂ = JiGK-Jﬁqtm+ﬁjx. 76.867MPa. = 76.8G7HDG P4 J N FV‘OW‘I +of‘Sl'ou ‘ T: "—54% .J': Etc" e g(%‘5)".— gown/03 m” = 20+.7Ix/c5’m" C: #50! '7 lq‘KlO-a ”‘4 -°' 74. a ‘ T.— Dq7’tgifm-) 87“”): 822 Mm. ...
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