The pumping unit is used to recover oil. When the walking beam ABC is horizontal, the force acting in the wireline at the well head is Fc the torque M which must be exerted by the motor in order to overcome this load. The horse-head C weighs 56 lb and has a center of gravity at Gc. The walking beam ABC has a weight of 130 lb and a center of gravity at GB, and the counterweight has a weight of 190 lb and a center of gravity at Gw. The pitman, AD, is pin connected at its ends and has negligible = 250 lb. Determine Figure 1 of 1 -5 ft -6 ft 1ft GB C 70° G20 250 Ib 3 ft 2.5 ft Part A Determine the torque M which must be exerted by the motor.
The pumping unit is used to recover oil. When the walking beam ABC is horizontal, the force acting in the wireline at the well head is Fc the torque M which must be exerted by the motor in order to overcome this load. The horse-head C weighs 56 lb and has a center of gravity at Gc. The walking beam ABC has a weight of 130 lb and a center of gravity at GB, and the counterweight has a weight of 190 lb and a center of gravity at Gw. The pitman, AD, is pin connected at its ends and has negligible = 250 lb. Determine Figure 1 of 1 -5 ft -6 ft 1ft GB C 70° G20 250 Ib 3 ft 2.5 ft Part A Determine the torque M which must be exerted by the motor.
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter4: Coplanar Equilibrium Analysis
Section: Chapter Questions
Problem 4.41P: The center of gravity of the 3000-lb car is at G. The car is parked on an incline with the parking...
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