The tower crane is used to hoist a 1.8-Mg load upward at constant velocity as shown in (Figure 1). The 1.3-Mg jib BD and 0.3-Mg jib BC have centers of mass at G and G2, respectively. Part A Determine the required mass of the counterweight C' so that the resultant moment produced by the load and the weight of the tower crane jibs about point A is zero. The center of mass for the counterweight is located at G3- Express your answer to three significant figures and include the appropriate units Figure 9.5m Gy 7.5 m 12.5 m 2.3 m 1 of 1 > HA mc = Value Units Submit Request Answer < Return to Assignment Provide Feedback ?