A 300-kg counterweight, with center of mass at G, is mounted on the pitman crank AB of

Question:

A 300-kg counterweight, with center of mass at G, is mounted on the pitman crank AB of the oil-pumping unit. If the motor supplies a torque of M = 2500 N ? m, determine the force F developed in the fixed cable attached to the end of the walking beamDEF.