Question

2014 Part A Determine the force in member AB. and state the member is intension or compression. Take F-10 kN. Hint. The support reaction at member BBT Figure 1) acts on Express your answer using three significant figures and include the appropriate units. Assume pove negative scalars for members in compression r s for members in ein and D' HA Value Units Submit Part B Determine the forces in members AC and AD, and state the members are intension or compression Express your answer using three significant figures and include the appropriate units. Assump negative scalare for members in compression. tive scalare for members in tension and Face Value Units Submit Request Answer Part MacBook Pro

Determine the forces in each memebers, AB, AC=AD, BC=BD, and BE

Answer 1

a Consider FBD of joint E Fz=0 FAR ( 5 )-6=0 I FAB = 6:46K MI T) E Foc=0 3mXA FAD Am FAL (2) - FAD (26)=0 FAC = FD 0 E Fy=0 Fac ()+FAD )-646 (Para) = 0 FAC + FAD= 2.99_ @ FAC + FAG=2.79 (FAC = 1'499 KN) CC) FADE 1-499 KN] (6) Joint B EF-0 Free (3) - FBD ( 3 ) = 0 FBC=FBP - @ EFz=0 Fise Forlu)-6.46 ()-0 FBC + FBD = 7.397 FBC +FBC=7.397 FBC= 3-698 KN] (C) F80=3.698 KN) EFy=0 ha.sola-FBE = 0 2/3.698 (v) +8.46 (vza)-Foe=0 For = 4:8 KN 1)