Determine the couple M that must be applied to member ABC to maintain the equilibrium of the linkage. Consider Q = 130 N. 80 N B E 60 N 20 N Q 1 0.3 0.3 r -0.3 m 0.3 m- G The couple M that must be applied to member ABC to maintain the equilibrium of the linkage is 27 N-m U.