2.15

2.15 Equilibrium of a Particle in Space

ΣFx = 0  
ΣFy = 0
ΣFz = 0

Study sample problem 2.9 in book

Example youtubes:
https://www.youtube.com/watch?v=vZiCLABe2ok

https://www.youtube.com/watch?v=Li9X2rrWLWU

Consider using Mathematica for this one!