1191Civil EngineeringMedium
For a non-concurrent force system to be in equilibrium________?
Aboth force polygon and funicular polygon must close
Bonly the closure of force polygon is sufficient
Conly the closure of funicular polygon is sufficient
Dnone of the above
Correct answer
A. both force polygon and funicular polygon must close
Explanation
The correct answer is both force polygon and funicular polygon must close.