Free-body — simple truss joint
Joint analysis at a single pin with three member forces.
Make it your own.
title "Joint A — three-member truss"
body A at 360,240 size 30,30 label "A"
force AB on A vector 120,-60 color blue label "F_AB"
force AC on A vector 120,60 color blue label "F_AC"
force W on A vector 0,120 color red label "W"