Question

For the truss shown Identify the zero force members (Every wrong answer will eliminate a correct one. DO NOT GUESS) 60 kips 160 kips G H ם ODK OJK O BL DF o HI OGH OBC OFK ОАВ OLM O CL OBM O EF ОМА o CD OF) OGJ O DE O JH O KL DL FG

Answer 1

And Go bips. ІВ 3 A с Gokies G T I H Take Joint À Thex is no forces on Joint to the members sono forces FAR ; From = 0 Take Joint 'N' B L Gokips Fn = 60 kips (compression EPg 20 & Fo=0 Take Joint B' Fire =0 is Me Gobin The linear forces are eque equal FBA = fue

Take toinf 'C' B Pacco. - Fec 20 ; FED 20 Take Joint " D B 2 me zo fue 2o; Take Joint El Lookies D E Fee = 60 Dips (comportin - FEDTO. Take Joint Do a F DC -0.

Take Joint & to -F Free =0 ; Free co. Take Joint T G GT Take point it 9 I -0 Pad 2. The zero Fore members are AB, MA, BC, CD, CL ,ML, RL, KF, DE, AT, IH.