Engineering Mechanics: Statics
13th Edition
ISBN: 9780132915540
Author: Russell C. Hibbeler
Publisher: Prentice Hall
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Textbook Question
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Chapter 6.6, Problem 91P
When the walking beam ABC is horizontal, the force acting in the wireline at the well head is 250 lb. Determine the torque M which must be exerted by the motor in order to overcome this load. The horse-head C weighs 60 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 200 lb and a center of gravity at GW. The pitman, AD, is pin connected at its ends and has negligible weight.
Prob. 6-86
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The pumping unit is used to recover oil. When the walking beam ABC is
horizontal, the force acting on wireline at the well head is 250 lb. Determine the
torque M which must be exerted by the motor in order to overcome this load.
The horse head C weighs 60 lb. and have center of gravity at Gc. The walking
beam ABC has weight of 130 lb. and center of gravity at Gb , and the
counterweight has weight of 200 lb. and center of gravity at Gw. The pitman , AD
, is pin connected at the ends and has negligible weight.
5. 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 250 lb. Determine the torque M which must be
exerted by the motor in order to overcome this load. The horse-head C weighs 60 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 Gs, and the counterweight has a weight of 200 lb and a center of gravity at
Gw. The pitman, AD, is pin connected at its ends and has negligible weight.
-5 ft
-6 ft
!GB
B
70°
20°
250 Ib
3 ft 2.5 ft
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Chapter 6 Solutions
Engineering Mechanics: Statics
Ch. 6.3 - State if the members are in tension or...Ch. 6.3 - State if the members are in tension or...Ch. 6.3 - Prob. 3FPCh. 6.3 - Determine the greatest load P that can be applied...Ch. 6.3 - Identify the zero-force members in the truss....Ch. 6.3 - State if the members are in tension or...Ch. 6.3 - Prob. 1PCh. 6.3 - Prob. 2PCh. 6.3 - Determine the force in each member of the truss,...Ch. 6.3 - Determine the force in each member of the truss,...
Ch. 6.3 - Prob. 5PCh. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Determine the force in each member of the Pratt...Ch. 6.3 - Prob. 8PCh. 6.3 - Prob. 9PCh. 6.3 - Prob. 10PCh. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Prob. 12PCh. 6.3 - Prob. 13PCh. 6.3 - Prob. 14PCh. 6.3 - Prob. 15PCh. 6.3 - State whether the members are in tension or...Ch. 6.3 - If the maximum force that any member can support...Ch. 6.3 - Prob. 18PCh. 6.3 - Prob. 19PCh. 6.3 - Prob. 20PCh. 6.3 - Prob. 21PCh. 6.3 - Determine the force in each member of the double...Ch. 6.3 - Prob. 23PCh. 6.3 - Prob. 24PCh. 6.3 - Prob. 25PCh. 6.3 - Prob. 26PCh. 6.4 - Determine the force in members BC, CF, and FE....Ch. 6.4 - State if the members are in tension or...Ch. 6.4 - State if the members are in tension or...Ch. 6.4 - State if the members are in tension or...Ch. 6.4 - State if the members are in tension or...Ch. 6.4 - State if the members are in tension or...Ch. 6.4 - Determine the force in members HG, HE and DE of...Ch. 6.4 - Prob. 28PCh. 6.4 - Prob. 29PCh. 6.4 - Prob. 30PCh. 6.4 - State if these members are in tension or...Ch. 6.4 - State if these members are in tension or...Ch. 6.4 - Prob. 33PCh. 6.4 - Prob. 34PCh. 6.4 - State if these members are in tension or...Ch. 6.4 - Determine the force in members CD, CF, and CG and...Ch. 6.4 - Determine the force in members GF, FB, and BC of...Ch. 6.4 - Prob. 38PCh. 6.4 - Prob. 39PCh. 6.4 - Prob. 40PCh. 6.4 - Prob. 41PCh. 6.4 - Prob. 42PCh. 6.4 - Prob. 43PCh. 6.4 - Prob. 44PCh. 6.4 - Prob. 45PCh. 6.4 - Prob. 46PCh. 6.4 - Prob. 47PCh. 6.4 - Prob. 48PCh. 6.4 - Prob. 49PCh. 6.6 - Determine the force P needed to hold the 60-lb...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - If a 100-N force is applied to the handles of the...Ch. 6.6 - Prob. 16FPCh. 6.6 - Determine the normal force that the 100-lb plate A...Ch. 6.6 - Also, determine the proper placement x of the hook...Ch. 6.6 - Determine the components of reaction at A and B....Ch. 6.6 - Determine the reactions at D. Prob. F6-20Ch. 6.6 - Determine the components of reaction at A and C....Ch. 6.6 - Determine the components of reaction at C. Prob....Ch. 6.6 - Determine the components of reaction at E. Prob....Ch. 6.6 - Determine the components of reaction at D and the...Ch. 6.6 - The block weighs 100 lb. Prob. 6-62Ch. 6.6 - Prob. 62PCh. 6.6 - Prob. 63PCh. 6.6 - Prob. 64PCh. 6.6 - Prob. 65PCh. 6.6 - Prob. 66PCh. 6.6 - Prob. 67PCh. 6.6 - Prob. 68PCh. 6.6 - Also, what are the horizontal and vertical...Ch. 6.6 - Prob. 70PCh. 6.6 - Prob. 71PCh. 6.6 - Prob. 72PCh. 6.6 - Prob. 73PCh. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - Prob. 76PCh. 6.6 - Prob. 77PCh. 6.6 - Prob. 78PCh. 6.6 - The toggle clamp is subjected to a force F at the...Ch. 6.6 - Determine the force P exerted on each of the...Ch. 6.6 - Prob. 81PCh. 6.6 - Determine the force in the guy cable AI and the...Ch. 6.6 - Prob. 83PCh. 6.6 - Prob. 84PCh. 6.6 - Prob. 85PCh. 6.6 - If the wheel at A exerts a normal force of FA = 80...Ch. 6.6 - Prob. 87PCh. 6.6 - Prob. 88PCh. 6.6 - Prob. 89PCh. 6.6 - Determine the force that the jaws J of the metal...Ch. 6.6 - When the walking beam ABC is horizontal, the force...Ch. 6.6 - Prob. 92PCh. 6.6 - Prob. 93PCh. 6.6 - Determine the total force he must exert on bar AB...Ch. 6.6 - Determine the total force he must exert on bar AB...Ch. 6.6 - Prob. 96PCh. 6.6 - Prob. 97PCh. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - If a clamping force of 300 N is required at A,...Ch. 6.6 - If a force of F = 350 N is applied to the handle...Ch. 6.6 - Prob. 101PCh. 6.6 - Prob. 102PCh. 6.6 - Prob. 103PCh. 6.6 - Prob. 104PCh. 6.6 - Prob. 105PCh. 6.6 - If d = 0.75 ft and the spring has an unstretched...Ch. 6.6 - If a force of F = 50 lb is applied to the pads at...Ch. 6.6 - Determine the force in the hydraulic cylinder AB...Ch. 6.6 - Prob. 109PCh. 6.6 - Prob. 110PCh. 6.6 - Prob. 111PCh. 6.6 - If the sprig has a stiffness of k = 15 lb/in., and...Ch. 6.6 - Prob. 113PCh. 6.6 - Prob. 114PCh. 6.6 - If only vertical forces are supported at the...Ch. 6.6 - Determine the resultant forces at pins B and C on...Ch. 6.6 - Determine the force in each member of the truss...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - Prob. 123RPCh. 6.6 - Prob. 124RPCh. 6.6 - Prob. 125RPCh. 6.6 - Determine the force in each member of the truss...
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