Given a = 6 m, b = 2.4 m, c = 1.6 m, d = 1.6 m, F1 = {(-1)i + (4)j + (-3)k} N, and F2 = {(6)i + (0)j + (-4)k} N, Z F1 F 2 O k c * * d > y a x determine the equivalent force and couple moment acting at point O. Answer to three digits