1214_Mechanics Homework Mechanics of Materials Solution

# 1214_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: [—"1 L _.__J PROBLEM 10 21 10.21 Each of the ﬁve struts consists of an aluminum tube that has a 32-min outer ' diameter and a 4-mm wall thiolmess. Using E = 70 GPa and a factor of safety of 2.3, determine the allowable lood Po for each support condition shown. Po Q ll’n SOLUTION Co": 9, o-‘g'i'Cle: iémm C;=Ca—t =16-4‘l2mm = Ike"- C;“) -— 35,4353 xlo’ mmu : 35- 'SSBVIO” M, _ w‘EI = nrz (70 no" )(35’. Issue") E .. “i :‘ 2” 30 a N ' M I U Par "- llGE-Lm' :- Le 1‘ 3:. .. roseq Fa Le‘ ‘ m L6 = mam) : 10M) U (23 Le: mam; 3.0”.) w‘ m Le’ (M15): Low1 U (m Lc= (031(10): L9 m, (m L¢=(r.oi(2.o) =2.oM, 1-1,, = ...
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