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Test 1

# Test 1 - TEST 1 CE 180 Statics STUDENT PLEDGE I K3533 have...

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Unformatted text preview: TEST # 1, September 28, 2007 CE 180, Statics STUDENT PLEDGE: I, K3533: , have not given or received improper aid on this quiz. . INSTRUCTIONS: Read each problem careﬁilly and think about the problems before you start to solve them. Show all your work neatly. A straight edge is not required. Clearly Show your answers and use proper units. (2 pts.) What is a free body diagram? all egg‘ﬂkﬁkag‘ «9w: 1/ M” 9/9 slow- 2. (2 pts.) Draw a free body diagram of point C? 3. (2 pts.) Draw 2 possible r vectors for the moment of the force in the cable about point A. ”“134- ‘ s'i'i ,Lw' /, ﬂ . x ‘ f, golf m Q“ _‘_/{""\_\ HEN " \‘xf F' 35:33]) 10 a" " "-u,u1mm. "Vv'l 4mthv.-Mw m rtmw. .Ln wywhwm .wAfw»%mnw.-x 4. (2 pts.) What is‘the component ong in the x-direction? ﬁg ~—~ mm M 4;: .1 _ 60‘) ‘ P; : 63:3 11: r: 2921' b-mt (2 pm: To hut/Wham] ova-mm pumice- veer, Rsnrcon antiwar. .‘rr. Um: swam nanny», pat—gm "WW: 5. (2 pts.) Write the generai equation for the vector formulation of the moment about a iine. ﬁtt- t E) 6. (10 pts.) Show that the moment of the forces about point C is the same as r x P. P ntmw J {Art % ‘" \$1; in (“‘6 met—437 t “A 2‘? (1-: w: ,» QF 75% driﬂfﬂ‘ﬁ) 4’ (”"2 xv” A \l 1»- WWW (25 pts) Given the following infomation, detennine the force 111 cable D13: Fm?” (600/34)(16i —— 18j— 24k) N Fm: (400/34 66)(20i 1— 1.5j 24k) N FTow:,= (— 321. 66i 1 .16. 82j +1466 71k)N. 0‘4" gawk D -11": +11» 4413 .1, 173% 1 (91.17.11. " 2:11:11} +11% "F195 F06 P... we. 13614-2 4‘ 0 £ij ..... oﬁmlroﬁga 0.73M ﬂag 3 6%? 1, jaifﬁﬂﬁﬂwﬁné '3" H130 WWW (25 pts.) Given the force on point A beiow. Determine the/{moment of the force D about line DC. F:(8.571i+5.714j-17.143)pounds?‘7 325%ng OMS I» "" "’ ~?’ \0‘" ’ J "‘04” “" 30"” «\$0 3 mu 9 ,3 i" '5" 0? +504 . CA‘ 0 {/30 [5" W (/5: 3 Re} —S ngJ Wm”, O‘f ,9. A CW” \55 m3 3 7"“ "h + A + 054- ‘FW . \O L OJ 3 M E 5:. 81W 072%?» 0.61487 o g . '1 as 30‘ so 1 EWVWHS) "- 97% (30)]Dv'23iﬂa’2, 33'}: mm ”"1“5 w {0 ___ 30 Cami] (0,63%?) +5”) = ~W + 22.43% ~aﬁb\$ ember: 15:6" 9 (15 pts ) a. Draw the force at the origin that would create a couple with the force shown. b Calculate the moment of the couple 37 %. £3» W N". z? m [~-~3{}{)i +7 2005 300k: N “ca 5 ‘l‘ ”“360 M0 *BQO {got-cm ..... 4cm] "E? F» {weﬁwﬂ -- C-l (1.3.9033 T g:— [weﬂwﬂ -«-— 605003] l; W pd .. --» :;~;:-w~-~w~—~--———~ ~————-~ (95:50 N In. Game? ééaﬁgu +~zook>lmm ' _.w_m.mmm W...“ ....—_—.,.... W... Mnm mnwwmunmam WW ”mam”... m -...\- M «2-...qu W61 UWW‘UA +34% ‘ 10 9x .27 (15 pts.) Calculate the equivalent force couple [email protected] WWZO lb/ﬁ; :7 3m?) 3 ‘80 Gina)“ (1—9) 4, 2003:)(23H3 «— C50 €09.) lkggflrp H ...
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Test 1 - TEST 1 CE 180 Statics STUDENT PLEDGE I K3533 have...

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