engineering recuitment BEL Probationary Engineers Mock Test 2025 Engineering Mechanics Frame Truss and Beam Trusses and Frames
If you've sectioned a truss and have three unknown member forces, which of the following sets of equations would you most likely NOT use to find all of them?
1
1.∑Fx = 0, ∑Fy, = 0 and ∑Fz = 0
2
2.∑Fx = 0, ∑Fy, = 0 and ∑Mc= 0
3
3.∑Fx = 0, ∑Fy = 0 and ∑MA= 0
4
4.∑Fx = 0, ∑F, = 0 and ∑ MB = 0