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840_Mechanics Homework Mechanics of Materials Solution

840_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 7.87 The 1.5-in-diameter shat! AB is made of a grade of steel'fbr which the yield strength is a, = 42 [min Using the mmdmum—shearing-suus criterion, determine the magnitude ofthe torque T for which yieid oocm's when P= 60 kips. PROBLEM 7.87 SOLUTION P = so laps A = {if - 1.}03)‘ - L767] .‘yfi 1;- = ”T%T : —33.953 ksi O 61".: i(6;+(33) is; R : (gt-aria); + [:13- =' 1/7}th + ’I_’,.:J1 113...; '-’ 21?:ng + ”113‘" '-' H1191 = 6} - 6‘,“ "6121/ =-2'-1/ 42"- 33.955" l2. 35’ ksi IT.- From +oI‘Sl‘ovu T“ —_;L C=fid = 0.75:», 321:” , own: in“ T = (OJ-H7OJYJ’LS‘GU 0.75 7: 3.1“? kIIP‘ in ...
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