Question

please solve using given picture

The following information applies to the next eight (8) questions worth a total of 16 points. A Warren bridge truss is loaded as shown. You will be calculating the loads and determining the condition in members AB, AC, FG, and EG. 911 9 ft -15 ft 18 ft D B F 12 ft G. AO C E fisit 18 It 15-18 ft 6 kips

Answer 1

Page No.: D sol B 0 0 A C RG RA skip 0 Moment about A (6 x 18) - RGX 54 ée Ro 2 kip - O E Fv=0 - RATRG RA G O 4 kip O a 11 & 12 Now using the method of joint at A. 71 AB A AC RA tana () = 53.139 0 E Fvzo RAT TAB Sino -> TAB = RA sino - 4 - TAB = sin 53.13

Jio Page No.: ..TAB=-5 kip E FH=0 TAG Cos 0 + TAC = 0 - 5 cos53.13 + TAC=0 TAC = 3 kip tve sign indicate tension and -ve sign indicate compression. question li Magnitude of load in member AB. ITABI = 5 kips question 12 - Compression Question 13 Magnitude of load en member AC TITACI 3 kip Question 1 Tension Now, again using the method of joint at G. -TFG TEG RG

Jio Page No.: EF=0 =) RG + TFG sino 2 + TEG sin 53.13 = 0 oo TFG = -1-6 kip E F = 0 TEG + TFG Coso = 0 TEG = - TFG Ws 53.13 TEGE 0.96 kip a-15 ITF al = 1.6 kip compression 0-17 Teal = 0.96 kip d-18 Tension