The mechanism below is designed to keep the Load level while raising it. A pin on the rim of the 4 ft diameter pulley fits in a slot of am ABC. Arms

The mechanism below is designed to keep the Load level while raising it. A pin on the rim of the 4 ft diameter pulley fits in a slot of am ABC. Arms ABC and DE are each 4 ft long, Pin B is secured to the pulley edge and the package being lifted weighs 90 lb. The mechanism is raised by pulling on the rope that is wrapped around the pulley. Determine the force P applied to the rope and all the forces acting on the arm ABC when the package has been lifted 4 ft as shown:
Problem 5 (20 points): The mechanism shown in the following figure is designed to keep its load level while raising it pin on the rim of the 4-ft-diameter pulley fits in a slot on arm ABC. Arms feet long, and the package being lifted weighs 8o lb. The mechanism is raised by pulling on the rope that is wrapped around the pulley. Determine the force P applied to the rope and a the arm ABC when the package has been lifted 4 feet, as shown. ABC and DE are each 4 ll forces acting on 8 40° This side upt 3 ft 4 ft 2 ft


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