Question

P1 P1 P1 A 00 Ly1 E D Lx2 LX1 * Use the EB is unknown solve this system by Force Method and find internel forces El: Constant Lxl: 4.4 lx2: 8.8 lyl: 11.7 m pl: 3,3 kn

user Kajal J. ı dont want to your solution ı want to different solution

Answer 1

C 534- Support Reactions EME=0 Rex13.2 -P, (13.2) - P, (8.8) =0 R(13.2) = 3.3/22) Re = 5.34 kary RE+ Re - R+ RE=Pi-Rc 173-3-5-34 RE 2.04 in members = 10 Staliè determinary - Cajer) joints 6 reactions - 3 As the redundaney is Choosing farce, Feo m- 10-(26)--) 1 EB as redundant 3-3ICA 3.3kN с А B 17m 12.5 534 IN "Be org E -8.sm D 4.4m Got 2.04 RN Sino - 17 COSO - 4.4 12.5 12.5

12:5 5 Fy-o -3.375-34 + Fo Sin 0 - 0 Fool 1.2 2.04 Foo-2.18 1N Pension I Fx =O - Fbc + cocoso = 0 -2.18 FBC 4.4 12-5 FBC - 0.77 kn Compression 8.3 FAB B* 0.77 EF-o → FAB=0.77 kn compression Fyn - FED 3.85N compression Hanh 3.3 1 wat piso cosé = 8.8 Sing='11.5 T4 64 AK. 0.77 14.64 'FAD [Ex=0 = FADCOso -0.7770 "AE FA (8.8 11.64 -0.71 {E=0 FAD = 1.02 KN Tension 3.3-FAE - FAD Sino - 0 FAE = 1.02( 117 ) - 3.3 14.64 FAE = 2:48 W. Compression 1:02 3.3 2:18 ra P-20 Coso= 4-4 FDE Sino= 11.7 12.5 12.5 Sin da 117 Cosa 8.8 14.64 14.64 - FDE - 1.02 cos d +2.18 Cos 0 = 0 4.4 -2.18 44.64 12.5 I EXO - FDE = 1.02(8.8 -)-4 8.18 ( 4

A B FOE - 0.15) Compression Now freeing the entire truss from external loads and unit toad at BE joint c, o joint load, KBC = 0 С B cat 1):7 as there is no 12.5 8.8 - P4.4 o Slot Senos KED=0 TO 811.00 COSO = 8.8 KAB B-0 KBD Sino 11.7 14.64 14.64 { Fy=0 & 1 Coso + KAB=0 KAB= 8.8 14.64 KAB = 0.60l compression * KBD - 1 Sino=0 [fy-o Kep = 0.8 Compression K coso 8.8 14.64 0.6 KAD KAE Sino. 11.7 10 14-64 I Fx-o KED COSO - 0.6-05 | KAD-1 Tension { fy=0 a. KAD Sin a + KAE ²0 KAE = 0.8 compression F4-0 7-1 Coso + KED -- KED = 0.6kN compesci 0.8 o KED estion

Member P(KN) K (cm) Del k² к F - Ptkr (KN) AB R--Zpke EIL. -0.17 -0-6 4.0656 8.8 0.36 3.168 0.106 티 O BC -0.77 0 4.4 50.77 .-13.8912 50.592 CD 9.18 o 12.5 9-18 - 1.46 a ED -0.15 -0.6 8.8 0.192 0-36 3.168 0.122 AE -2.48 -0.8 111 23.2128 0.64 1.01.88 -1.312 AD 1.02 14-64 14-9328 - 14.64 1 -0.44 EB O 19.64 14.64 - -1046 — O BD - 3.3 -2.132. 0.8 11.7 30-888 0.64 1.488 IPkl = 73.8912 to not sins brew Z = 50.592 Suno d nit 1 KOD-O