... as⎪⎪⎭⎪⎪⎬⎫⎪⎪⎩⎪⎪⎨⎧ 2 2 1 1yxyxFFFF= ⎥⎥⎥⎥⎦⎤⎢⎢⎢⎢⎣⎡4443 42 41 3433 32 31 24 2 322 21 1 413 1 21 1 kkkkkkkkkkkkkkkk⎪⎪⎭⎪⎪⎬⎫⎪⎪⎩⎪⎪⎨⎧ 2 2 1 1vuvu ( 12 ) 2 1 1 2 xxTruss Analysis: ... is:⎥⎥⎥⎥⎥⎥⎥⎥⎦⎤⎢⎢⎢⎢⎢⎢⎢⎢⎣⎡−−−−−−−−−−−−−−−8 . 12 6.98 . 12 6.9006 .19 9 .23 6. 92. 706 .16 8 . 12 6.96 .25 08 . 12 6.96. 92. 704 .14 6. 92. 7008 . 12 6.98 . 12 6.906 .16 6. 92. 76.99 .23 ⎪⎪⎪⎪⎭⎪⎪⎪⎪⎬⎫⎪⎪⎪⎪⎩⎪⎪⎪⎪⎨⎧33 2 2 1 1vuvuvu=⎪⎪⎪⎪⎭⎪⎪⎪⎪⎬⎫⎪⎪⎪⎪⎩⎪⎪⎪⎪⎨⎧33 2 2 1 1yxyxyxPPPPPPwhere ... )( 12 −=Lx)(∆=53=0.6S= Sinθ =Lyy )( 12 −=Ly∆=54=0.8(d) Compute the member stiffness factor.xyθxyFx1,u 1 Fx2,u 2 Fy2,v 2 Fy1,v 1 θ 1 2 1 2 4m3m2m2mvi 1 Truss...