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104_Mechanics Homework Mechanics of Materials Solution

# 104_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 2.57 Determine (a) the compressive force in the bars shown aﬁer a temperature rise PROBLEM 2-57 of 96 "C, (b) the corresponding change in length of the bronze bar. SOLUTION Cdcvﬂd’e 'Free Herman) exrgnss'on 8-, = Léogcdr) + Lad, AT’ Is=1500mm2 A= 1800 um2 E -—- 105cm E = 73 Ch -: (o.35')(2!.6x16‘ X39) + COHSYZQA no" K96) a = 21.5 x 104m :1 = 23.2 x 104m: s = L 723 x [0- M P Cons‘f’mﬁnea' expansion *& g -- 0.5 MM - 0.500x16’m Shori’eninﬂ Jae +0 {maiden} compressive {:0ch ’F’ 8,. =. 1.729xlo" — 0.5'0ovelo'3 = {.228xlo—5m {n harms of P E—ll‘z + ELL A55. ALE; =( 0.26 ascoxao“)(lo:xlo‘) = 564% «10“ P Lu] 519.41% 5.699640”? = Lazarus" P: 21.7.13 153’ 51‘ PL (5) 85 = Lb db(AT) _ 3:3, (2:144 no” No.35) -c _____.__._.._________ = (0-35'X2Lé “'10 )(qg) - (1500x104 )(iogwo‘ ) L = 72:14:40" — 1183.2.‘ixxzo’ = - 242.5,.10“... ‘-'- 0-2Q25‘ MM ...
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