hwk_37

hwk_37 - ' t; Knowing that WA = 25 1b and 9 I 30”,...

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Unformatted text preview: ' t; Knowing that WA = 25 1b and 9 I 30”, determine (a) the small~ est value of W3 for which the system is in equilibrium, (1’)) the largest value ‘ of W3 for which the system is in equiiibn'um. ' MN; 14?, fie): @Uzu MWS [waffle 81;! ca vi mfiorl gt: B {5 g? 1‘ mam ., Zfizo *2§+NBM30+C3.3§ 1 :0 CD @3514-1— 6.51/J.E,-=.2'5lit N ‘23::9 5- maom =0 we, ® -W+€xgwe =2??? " 930% 1:; § Ml. ' - 51331)ng , _l {mmmfi Mojiou is mama Egg-o 45— Nb Méoio arr-o vizibcrmbo'fll'zo @ fiwm’vlg ® £257"? weeoetwg (D mtg/Kl +05% : 234* -- '55) EHVIEETQ 22-142 10!? SHEETS A" 22444 20!] SHEETS \ 22-141 equilibrium is maintained. fig PTNQS‘M " I $52603 FEED 0 HOG/E M E .éupwq my»; I-hLdeE', [ 1‘: mic)? (WT P) @550 + szs’amso gawegfls W 03,4 9,9065 “3:421:22 93¢: — 0,9ag3P—F‘5ufizfl‘l = racial Pit-Inflow 50 M sz—jomzoso fl Ffim : i 9 file-Mfib P+ 99397 ' sex] by ‘45 is WHJO'flfEKfi »— Bio-2: P + Meow»: ~0 42% {9+ 9397. : 2.5954P: 2.00%“: l i ]> = on7zt¢(%0:1%5l~l Hm i E E i ; Knowing that B = 25°, determine the range 0f values of P for which " “Evie PM a» Few: mm To gm an Movwd m; 1 while. cg GI'ET ; (4340 AH 0.4229 F‘- 9297 =0; N: -o.4zzle;a+ 9.397 5102: P-.IL49©‘Is-—o.4224j9+ 939,1 2. 444?: 29,796 ' a; 6.039(9369fiafi4b} i w ‘ 1 x x 1 i i I i i 50- SHEETS ‘1 227142 100 Si-1EETS ~ -/ 22-144 :EUUSHEETS ~ 22-141 The 20-lb block A ahd the 40-lb block B are at rest on an 'inch'ne as Shown. Knowing that the coefficient of static friction is 0.25 between fl: I W, fietermine the value of 9 for which motion is impending. i 416»: ms ’fiME “Ava, gumaau‘” 130551 :49? McLUDE PULL}; grape” BELTPFKICITiOkL EQVJS. HAVE.“ NOT 551574 [mlumc 7 ; i Fla": ffi/fio —A\lca~oe~n¥im8-Ngm9+rxlz:o ; we . W , . . V *W/ateoEr—Mgvlfimg—NBWQ Waco ‘ Nfiwgmauwwifi ifim 42;;- Em? {-fxli‘M8fldBM6-‘o - WW WA EMS big/Mg WAC/Mg 4— Wpr-M91- W3 M 9’ :0 N1 “‘ Q) + W9 MW :11 1%uélyéflfifi9 8J6 A packing crate of mass 40 kg is pulled by a rope as shown. The coefficient of static friction between the crate anti the floor is 0.35. If oz = 40°, determine (a) the magnitude of the force P required for impending motion of the crate, {b} Whether sliding or tipping is impending. 40%: 39er _. g ‘ +9.35% (:0 “70% 22.1867 - y ‘) (Li P) fifoPr39zA 4-1337 :0 2.8??? s» 392.4 2: i385?) bl fling w) tam 2W“ ’52»?ch e383? .4— 05”? F” new?) F:I%i% 19: mega/J E i E, f; 174,931,“! We; aim Ewgi‘wb’efl < Tm? {Mpflb/Alé’; M37794) NEW 1": Wigwf 99 rite To amp/#62 L9) ' ...
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hwk_37 - ' t; Knowing that WA = 25 1b and 9 I 30”,...

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