Exam1 - EGM2511 Statics Closed Book Exam 1 r“ Y Oct 2...

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Unformatted text preview: EGM2511 - Statics Closed Book Exam 1 r“ Y Oct 2, 2003 Name: " 1.(33 pts) A transmission tower is held by three guy wires anchored by bolts at B, C, and D. If the tension in wire AB is 525 lb, determine the components of the force exerted by the wire on the bolt at B. 45?: HOOj-ZS‘E) Qt EGM 2511 - Statics Closed Book Exam 1 ’ October 2, 2003 Name: C V C ‘, SM .A i. & 2_._for the truss structure and the loading shown, (a) obtain the resultant force 7?: P, + P; + F3 +P‘, (b) find an equivalent force-couple system at A, (c) determine the single equivalent force and its point of action along line AG. ~—L c.’\ : ofi Pi1240(l:40$70¢ -sm70d) A ’5 7.. 92.085 -22§.; a (N) P2: ~I60 J (N) 5‘“ a .1 I 01‘ P3 = sou-c0340 4 -$IH40 l) :\ e , —22£f‘8¢ - 192.324 UH II ii-180N $4 2 fl I80 3\ __I_ A A (0‘) l? = Pngi +43%: = (32.09 -—2zq,g)?+(-22~'>'. 2140—va48023 A /\ 2 ~147.72£ «75353 (d) ~ r ~\.L .8. lb) ch Eémmlcvi‘l syslcm FA and MA ox A, m2 R = - I47.7c ~ N's/.5 a W) ~4- ~; A .- ._.- ._. _ __. MA : 11%;: Pm rb/AxPz T Fix/(P31- rm! '3‘} ’,‘ A A ’,‘ : (4?+6¢)x(82.|£—22&$?)+(12F+é;)xt~léoal 7 ~’\ A I) +(2of‘+g3)((-229.s’2 4423; )+(85‘)x(-l§'04) A A ’\ la = [402-4421, —mzo~3eu+ 13733-1440] k = —723l.8lc (Al-m) LC) 3 ‘l A —s _~ 4 ’ F=FA =~t¢7.72‘7s£.3. \ lJ , a ti ,2 ,._ 759-3 ‘ . , (111nm ,ka @waAqZSLQ =7 9(F:7.$37(M) EGM25 ll — Statics Closed Book Exam 1 Oct. 2, 2003 3. (33 pts) For the plate and loading shown, determine the reactions at A and B. A 513 n 30 7: V2.15: 0A1? '1“ m £7» 50 \mfiio’w 1'0 1 " '”:C9 :0 P11: +5Qiie fl 1,”. ‘5 +6 2» FK 10" 1+0 + Rx; ‘7'“ CD 173x 3 *LWVC» LN.) “34—m- + T ,2” :0 1 fl 4' m g0 M: ’5?" Egan. 30 “(a “LI-.4 1:; iii) My T ...
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