Four masses are arranged as shown. They are connected by rigid, massless rods of lengths 0.890 m and 0.500 m. What torque must be applied to cause an angular acceleration of 0.750 rad/s2 about the axis shown? Where L= .890 the masses are labeled A-D A.4.00 kg B. 3.00 kg C. 5.00 kg D. 2.00 kg Answer in Nm