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838_Mechanics Homework Mechanics of Materials Solution

# 838_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 7.85 The 38-m—diameter shaﬁ AB is made of a grade of steel tbr whidi the yield PROBLEM 7.85 strength is a, = 250 MP3. Using the maxhnmn-sheming—su’ess uimﬁmdetermine the maglﬁtude of the torque T tbr which yield occurs when P = 240 kN. SOLUTION P = 290x103 N 1. A = Edi = Ems)": maul Ho‘m = “Mn/6”: _'E___ 240x“): A ‘ LISLmsto-a 0 5”: r 21:.cxro‘Pa :' 2:1.4 MPG—5 6‘3: - (YM- é(€x+6}3= \$26: {Sf-+421; = 6, 21.3? ngW = eases MPa = 65.558’vlo‘Pa From +0V‘51‘OVI 2:3 = T T = ﬁg: J’ g‘Cq " 12ICS?SV= ZOHJIXIo’ MM = 20?.7!!!o"w. my : Hum-3m - ' 6 T: (20%.?1x10‘ixesﬁeéawo) a 7’7 N-m M “0'5 a; ...
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