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162_Mechanics Homework Mechanics of Materials Solution

162_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: PROBLEM 2.130 ‘P Epahjfl‘i'tow [De-Median S+A+fé$ 2-1:? = O deflection at the midpoint B is P 5-! 1—45 SOLUTION Use afpmximafii'ioM 3m 9- a: m 9 e 25— ZPAB sine - P =0 -.~ _P_.__ Pl P“ x ‘25 X’s-HG M 2 £23; AE ZAEs Fran». Hue. W3” Widen/tale. (,P-l- S“; Y. '-' 492 + ‘51 SI: jZ+ 2Q 5&3 +H$M31 _lp,2 2225,3(nfi'jraw2flsm refill. ABS 3N P293 . ~ 33. 5 ’“ AE “ 5W3 AE. 2.130 The uniform wire ABC, of unstretched length 2!, is attached to the supports shown and a vertical load P is applied at the midpoint B. Denoting by A the cross- sectional area of the wire and by E the modulus of elasticity, show that, for §<< l, the ...
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