Question

Problem 1, Determine the force in member BC, and state if this member is in tension or zero force members in this truss? H compression. Are there 3 m T ys there aqre eo farces meaberg- E D B C JD GH #-2m-+-2m2-+2m-+2m--2m--2m- e (61(2)+ 8(1)+ 5(2)+4(10)+ AS (12)-0이 4 kN 5kN 8KN 6kN 20 Un Uo

Answer 1

ho fres body diau ion Sstem shown below L F A C 2m 2m 2m 2m 2 m Av C EP 4EP 5 EP dinction horizon ta fore along the Resolve dire sh'on. verHca alona tho force fesoQue Efyzo 4 58t 6 Ayt Ay t Gy 21 Cal culat th momont about poink A. EMA O

54 4X 2 0 4 X/2- X10- X2 5 2 2 67 ER 2 3 21 Ay t 12.G7 Ay 10.33 SecHon draw Consider and foD of Sjstm shown belou FLt Sin c tho dimension of La is not Fac given 10.31 E0 Osums しA- りm Secn dimonsions

Bod Hho Onge q5 Etoi dtar' AR find 5610 fom th Fao of Painf A Fyo FAレ FAL Cin 45 tlo33=O 4-50 FAL 10.132 kN FAB Cos45 t FAL -o FAL o11 kp 10 11 21 t Fau FAO

Shouon fom F goint tho faD of belou- FaL FOL O FaL frorm th faD of 56.3 tho forc ResoRde FRc Faa along ver Hca dircchon FR Sin 6 3 FAk alon horizont fora Pesoeu dirceign FAR Far Cos 5G.3 O.11 O Fac + 9.0 .55 (T) FAC -7.69 EN

LI D I Join of fap fom as belo us Shoun FDJ di'rcetion fore The in AL DJ Tho zero forO mombers BLI DJ FH

Answer 2

the first degree on left doesnt correct. please check