92_Mechanics Homework Mechanics of Materials Solution

92_Mechanics Homework Mechanics of Materials Solution - 1...

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Unformatted text preview: 1 «i m 1 Kiri 1.}:ll: r—imm 2.45 The rigid bar AD is supported by two steel wires of 1'; -in. diameter (E = 29 X 10‘ psi) and a pin and bracket at D. Knowing that the wires were initially taught, determine (a) the additional tension in each wire when a 220-1b load P is applied at D. (b) the corresponding deflection of point D. PROBLEM 2.45 SOLUTION LEa'l" 9 ice -‘H\e N‘l‘» [on o‘F loavr AECD It. 2maL12znaL-12m—l The“ $9 = (2 e E , E}; §________s_r = («end-W l £12 3“ Lee to = 105.77xlo‘ e = Page? EA Pep — 5.6.53; = (”wo‘flcrlfl‘tzv 6) ' L“ 18 -: “8-53xio‘e Uslna *Free Loci)! ABCD 92'M,=o 12F?“- +1439 —36P = o (RKIosJMO‘ 6) +(2v\(ns.53>to‘ e) -(36)(210) = '+.|23$xlo‘ e = (300mg 9 = Hagar/0'3 m: (an PME = (Ioe.7?uo3)(t.q:s§x(o") = 204.2 lb. F2 = (Hassxloi'xlmusswro‘s)= 227.6 )1; (3003129104) Game" in O- 06‘?! in, ...
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