EAS207-1st-exam-sol-2008

EAS207-1st-exam-sol-2008 - EAS 207 - STATICS First...

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Unformatted text preview: EAS 207 - STATICS First Examination Fall 2008 Time: 1 hr & 50 mins. Total Points: 100 . Notes: 1. Closed book exam. ‘ 2. Draw Free-body diagrams for problems 2 and 3. Q1) Replace the forces and couple shown in Fig. 1 by an equivalent force system at the support ‘0’. Also find the magnitude and orientation of the simplest resultant of the given force system and its location from the support ‘0’. (33 points) E: z: 200 cos 30” i“ + 200 3mm”); 24732, t + mo 3 a . a“ "‘" i. C2g9$+fl§234 to?“ l i _ 5, I 5—. NWT"? Wt m MO” (360%,) "@Oofli) o J n a“ a. no zcaezoa +200 Q —~ 1 Cs‘m'so «ecofiffi 3) g X ) ‘ ~—_— 0,51 _ @8666 M :2 ~292 8 WM 4H“ J J 3 w E L. N \3 A i ii i i MO: ‘\ f.‘ .5 {V} .2 (0513. 0.866;)xfigfir‘gi +503) ".— 0 + (~06?+»0;<ng§)>< (mm + 300 j _) A /:\ fx + 0,7320%,»40053 +~ 2.00 K A. A _ A 7% M, 2 '79 {2 +2.25 k “gm/2:450 x4- 652-8 mam W0 =- ~2§2§§f< (Nam) W._....~..W... meus— 7 K2 gk vd‘ E; 49331" ‘50 j 0‘0) " 7F» wwwwwwwwww MWWWW " cfiofié‘éwfge 30W WIQ M M """"""""""""""""""""" “WWW-m ------ vm ............................... M “mummw ,,,,,, .. 6 r- 2g} :2 0,9249? “.0327; 31 \ _ LOCCJOQXAOV) ER force in the poie DA is 319 Newton and the tension in cable AB is 110 N. Determine the force in cable AC and the coordinates of point C if the sum of the forces at point A is zero. (Note: points B and C are on x—y plane) AS) 6) 4 (34 points) fl”? CW4 1,5” 0‘ ‘ ‘ ‘. i ‘ § _ rm .5; ,. ‘ :2 0,3077 1? ~0223083~>+0323k \i 2 +iss"’+c’v flag ‘ no (—0467 H0233 §~oée7 s?) + (Fax [‘9 + Ea §+ Fez V) + 3 39 (0-3077?-o»2332§1x~0323§) -— 147, i S L? :: E) (’8: :0 __ ' , I ~ 2% Moxow> +sz>€03077> + Fax -' 0 5% {:41247 is?!) 25% mg; w“; H a; QUOMoEB) '+{Z\9)(-—0:2308) + ha :1 O , x w w ‘ jam W305 M273 T E7. Hyaflwzz) “47’6"” 4 , “a 2—. ~2¢7 f" +37? 4739 x? m) WWW“ A M 1‘ ‘ 5”... «STEK €36"; E 7; «- 0288 3 +0423 T 0 g > ("@8573) “T:- “(p 3®0 em: ‘--. P. -e @ Iii; w, .................... ma 0 It; ~3~ m (5 mm 4.; :1. 7m) +£fiQMfiQK m Mmmm * z «‘0 fi 1 . , M, I H ' o; 29 (:9 +hf§ fig r (M) mac, W 35% '39 WDij.>*WE““:—W (A W - “91364;; a C” “*9: X646“! *9 C7)C-Q»2297> 172?:me (23?» \__/ Q. 3) The uniform smooth rod shown in Fig. 3 is subjected to a force and couple moment. If the rod is supported at ‘A’ by a smooth wail and at ‘B’ and ‘C’ either at the top or bottom by smooth roilers, determine the reactions at these supports. (33 points) “:1 O R B 300 A A x - O I S’SOOWZ’OOZO ” :3 Rgcoszb +« 32c. CC) I t tries; Mg,“ , @ a :g Z M MM WWWM—EOSZOG . PS '1: M M W (é) 2078,46; +4000 -~ 69282 + 25235525: 0 (RC :- rgzxe’m m) ...
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EAS207-1st-exam-sol-2008 - EAS 207 - STATICS First...

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