3) Elements of the lower arm are shown in the figure. The weight of the forearm is 5 lb with mass center at G. Determine the combined moment about the el- bow pivot O of the weights of the forearm and the sphere. What must the biceps tension force be so that the overall moment about O is zero? 55 Ans. Mo - 128.6 lb-in. CW, T 64.3 lb 5 lb

3) Elements of the lower arm are shown in the figure. The weight of the forearm is 5 lb with mass center at G. Determine the combined moment about the el- bow pivot O of the weights of the forearm and the sphere. What must the biceps tension force be so that the overall moment about O is zero? 55 Ans. Mo - 128.6 lb-in. CW, T 64.3 lb 5 lb

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter5: Three-dimensional Equilibrium

Section: Chapter Questions

Problem 5.27P: Calculate all forces acting on the bar AB described in Prob. 5.1.

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Calculate all forces acting on the bar AB described in Prob. 5.1.
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