Gripper C of the industrial robot is accidentally subjected to a 60-lb side load directed perpendicular to

Question:

Gripper C of the industrial robot is accidentally subjected to a 60-lb side load directed perpendicular to BC (Figure P4.15). The lengths of the robot’s links are AB 5 22 in. and BC 5 18 in. By using the moment components method, determine the moment of this force about the center of joint A.

Figure P4.15

60 1Б В 40° 15°