Question

Consider the truss shown in Figure 1) Set - kN R = 12 kN and 1-6 kN Part A Determine the force in member of the truss and state this member is in tension or compression Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension Sumber os at keyboard shortcuts help KN Figure (11 For 11 Submit Preis Answers Request Answer X Incorrect Try Again; 21 attempts remaining Part 3 Determine the force in member BE of the truss and state this member is in tension or compression FIS our answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and

Answer 1

E A 2 'Ro 8 'RA Efn 20 H-6 H = 6KN RA +Ro 8-12 0 RA TRD = 20 - EMA 20 883 +1246 - Roxg +6+3 to 24+72+18 =gro 10 38 KN 9 3 RA U 6 E = 20-38 = 23 kN A 3 win Iz 8 3313 method of sections FEE E FBE FBE Sin45°+12=38 FBC 3813 -O 2 FBE = 0.943 KN

zo Emezo FEfY3t? +34x3 TEBE Casust 3 3 FEF +38 +0.943 X3 FEF=-13-609 KN Negative sign meens compression force.
Method is correct. I reviewed my calculation. I want your Apologies for the mistake. FBE = 0.943 AND FEF= -13.609 KN. you can go for this answer. I have cross checked with joint analysis method.