B. always reduce to a resultant force(Correct)
C. always reduce to a couple
D. both (A) and (C)
If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?
B. always reduce to a resultant force(Correct)
C. always reduce to a couple
D. both (A) and (C)