# Quiz5 ME211 s05 - ME21106 ‘15 QUIZ 5 Name A Z/Lf to...

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Unformatted text preview: ME21106 2/8/05 ‘15 QUIZ 5 Name:_ A , Z/Lf/ to PROBLEM 1: The turnbuckle is tightened until the tension in 7/ cable AD is 1200 pounds. The support at O is a ball-and-socket ‘ . joint. Neglect the weight of bar OAC. Draw the free-body V " ‘. diagram of the bar. - 0%- T ,9 '7'”: Peon, \‘E / 9» 7.?»7“ " <- Oy 1’5? (b) Write the detailed symbolic equation for the summation of moments about an axis that will allow you to solve for the tension in cable CE only. Include appropriate subscripts. Show all the possible options on the position vectors. Circle the best choice for each position vector. 59/ t“ ' 3 PROBLEM 2; Calculate the force in member AC of the truss. Specify if it’s tension or compression. SM) V 5kN A1) i . 3/]; B 4x 5 ND 3) C « 3-H! ‘ / ‘ { .......... . _\ i’\ f z 2 —S+ Ecsmﬁzeé’) g /. . lér i f»; 0 94V/ \ 1/ WSW \ / S— ,_ I ”A C ‘t . . : - BC. .‘ \‘ gm)?“ v.» :. ~—‘ ; M 4C5} (21M lo Elwisc {00' 35"“ 0+ “ ___..._.... 5‘ : 465421.98 far-0 2 718+ name‘s . . _ : l3‘ L“ W “tension As: 6.2 m ., «we.» ...
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