lecture13 - . ‘Tru s's—e-é; ram9és..,fia'n...

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Unformatted text preview: . ‘Tru s's—e-é; ram9és..,fia'n dr‘Ma‘chjn‘és .- __ r 1 A :J. ‘H I "f' * --g MEEN221 , c 0 Method of Sections , 1 ' SOLVE F6 (1 WAC-7" CW5 ' 6—3;? MG? =+A 3C6 Om) —‘.§L 1((504‘0 —‘a+< (90$?) ~az (20+) (GogryAb‘: » QKCIIO—W') = 0 Ag)": K i :'.~- IF‘EOM FED CTi C, wen-<2. 2 M3 '-=- o ‘QCCZOU -9~K(ro) = 0 Fr. 021934;! + 5:214.“ 71+ 109.8 K — HgK—mz =0 Fc DL\3.Hn=—S9,fl,_. PCP 2:4,.I'LKS—4figb hum q Use the method of sections to determine the forces in truss members CD & BC 39H“; XML QEHCT/oyv A+0 A3520 / @2 ME 1 O x 7:5 Q—h 19%} 0065.97“) 473$ 073mm =0 ‘ —~.w , mm, , l Tag: (Romans; ‘ COMP (/ L r ‘ (‘“-~ r Method of Sections 400 lb 1 4 ft ——w-—W+—— 4 ft 2001b ® EMC ; O \___ ___ . A _f _. x b fir—-(%>(3-§T) — 31913’705‘47‘32 o FFE-T H-HQ,§L\5 5/, [E MSrahd/‘H 600% ; _ szr-O {Rook/Jam) dam... 7(91, 1—) 3; 'bOO-i— {woo—12(b%3=o D's: 69‘ Gé'7$._%+ “L (#00: HQ? ifl't‘CDuFOU-DC‘EW-fl" ‘3'- D‘j): O ‘ ‘F _ =$55j 6 7% b q ”RGC.7( FEDC3§T31 O “I ('2 “263.9%— r'EDL3+T)= c: F Use the method of sections to determine the forces in truss CeooomQUa ‘rfl - lAg @fiyfl 441.3%; 95m (69,!) ‘SA 000 MM: —TAB (Hfihmfi = O .‘ 2m D F G r” I ' ' = 5000 k . ‘Aooo UPS-TV ‘ Feckle-ET = O _ E "’ 10" ET :3 c) = o v"! Féc=3333.33kb “792/?”- " a .. MW TENS/om I I f L " " , .- 9,; J2 Cagney ! —" J /ED D —— ; \ ’/,/-‘"'H__w_— _ _~ lf/WF—“fl. . . y. .. '_ b i 9/ ED To \m‘F‘FD ( ' ”’ W F _ _ ( x' ‘7' Lil / Tom” B I / . [DC 5 J among \ a \_________\ R @8150: /@ifio=° 7.29 43%) -1000Lb —3‘5fi33, 3L3?) I8—1000kb1 O — \ewflwrv ( ®m= e —m<%>+7ée£%\ +Cér>£3333“~>*~b‘ ° 72%:- meaosw an. cm) x} TH = qqqqfismb than,on I” (x. (5. 1500 1b Determine the forces in members \DE, EG, and . FH of the truss " ' 1500 lb = 1500 lb 1500113 ‘2 . 150011) =7" '- 6 ft—> 6ft 1500 lb 1500 lb 9 ft " ‘ 6ft : f“ f F The weight of the bucket is 1000 lb , determine the force in member HF , PG and GE @fims : o “Q0 OOLIDXImM " E; F {3 5'15 +Q0 00%)(fa‘sreea8s; 3.9%) __.(0000 STLb~3¥T FHF+ _ O . Rage ‘ K, vioookb~w2>sh>~EQMH§ = O —8$ 9,151‘ FFQKDO‘H ‘-"- 0 FM: - HSSMDS FPO): 115?).55 ,QOM? 3 25a": 0 —loook|, —fiF- ...
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This note was uploaded on 01/31/2010 for the course MEEN 221 taught by Professor Mcvay during the Fall '08 term at Texas A&M.

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lecture13 - . ‘Tru s's—e-é; ram9és..,fia'n...

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