2010F_Test1_sol - Determine the internal forces in bars AB...

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EM 306 – Statics TEST 1 Fall 2010 - Landis Name ___________________________________ EID ___________________________________ Unique Number __________________________ Instructions: All problems require correctly drawn and labeled free body diagrams. Show all of your work. Place a box around your final answers and include units. Problem 1. If the angle ! = 45 ! , determine the force in link HB and the reactions at A . The mass is 200-kg, and the acceleration due to gravity is 9.81 m/s 2 downward. (20 points) Problem 2. If the angle ! = 30 ! , determine the tension/compression in the spring, the reactions at A and B , and the forces at C . (15 points) Problem 3.
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Unformatted text preview: Determine the internal forces in bars AB , BG , and FG . Indicate whether each bar is in tension or compression. (15 points) ,), Flb : Btl Jfl6.i EX,l;Lnu.+tt: 2n: = 54= 2Ft= ) rr>' tq cY= Q-W(tuo) - w(u\ t-\st tsd - |sntw) =() +Btt=-r+fi=-ft-wst>= 3885 N-- Bt+ 6% \@ q c-c, A*rt* =o AL CqZcru,tuo E L Twu" -c + Fr= lr= o trl ^ . -l lt ) t.l(" --\-7 -' '= zn { 2a B+ *F, At*c+-C, --O + {-F.-f=( 's t @ o )rm "r f*W i* anuA bv" b** easier +-*ly- */nuAu*,lr'e P,*+ sile, 24:= -D('tg)+ rtBA\'1 o + 2F* = - AB FE #--o + zb tFt =-Bq-to-Fq#=o- ,''^ ' q z,tt AB-- tz r.t/ (t) FE---'#= -splt) t3-to*fi= -sNb\ t0 kN F ,s-zF G\...
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This note was uploaded on 01/28/2011 for the course EM 306 taught by Professor Rodin during the Spring '07 term at University of Texas at Austin.

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2010F_Test1_sol - Determine the internal forces in bars AB...

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