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960_Mechanics Homework Mechanics of Materials Solution

# 960_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: PROBLEM 8. 4 6 8.46 The steel pipe AB has a 72-mm outer diameter and a 5-mm wall ﬂuckness. Knowing that arm CDE is rigidly attached to the pipe, determine the principal stresses y and the maximum shearing stress at point X. A+ “PL? sediom Con‘im'n-‘n-l Poin'is H- amel K SOLUTION erﬁace 'Hwe 'Forces, ad C 04va E- Ly :Ln e1uNaapa-ﬁ 'Force « Couple 5ys+em 0.3+ D. FD = 61—3 = e; no 1. TD.- (quo’Mnmro'37 + (suo‘stozouo’gﬁ -: 14’1'0 N-m 13:0 V: 6k“ TTIQ‘IION‘M Il-MO Ill-m Gloom-m Ck» Sea-How. PmPMics! do = 72 A = if (C:- -c‘z) : I.052‘i a lo5 I = Quakes“) v sqsmxzo's V J“ =- 21 = (.1877Hd‘ m For Lin-mm = ac?- M ? (6v103)(l5'0w(O-3) r 700 N-m ) MM C,=‘Lap,? 36 mm CérCD—t': 3lmw. mm‘ = L052? x to“ m3 l} m” = 5673.31 no" m ‘5 cf): H.2qsxlo‘mm = I1.243H0“m3 Me _, 900)34wc0“3) _ M- Poﬁni K 6'“: - W - 54.6 MB: 1.1m? » :0“ T '2’“, :35; 2. W— [43.61‘49a. 'i: x 69.: 51‘1“, 9.; ~32.1° rrm 2 F? = 51.4 MPa._ 4: ...
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