A person is pulling a weight as shown below. His shoulder joint is not moving, but his elbow joint is free to rotate. The shoulder joint (S) and the pulley (P) are at the same height (horizontal line). This can be modeled as a diagram shown in the right-hand side. L3 OP P = 30cm L1 L2 = 30cm L3 = 50cm 10kg L1 L2 E m = a А В т Find the force directional angle a as a function of L1, L2, L3, and 0 (hint: find PB and BH as functions of L1, (a) L2, L3, and 0). (b) moment ME as a function of the elbow flexion angle 6. (c) Calculate the moment at the elbow joint (E) produced by the weight. In other words, represent the elbow Find the elbow angle 0max where the magnitude of the moment about the elbow joint (||ME||) is maximized.

A person is pulling a weight as shown below. His shoulder joint is not moving, but his elbow joint is free to rotate. The shoulder joint (S) and the pulley (P) are at the same height (horizontal line). This can be modeled as a diagram shown in the right-hand side. L3 OP P = 30cm L1 L2 = 30cm L3 = 50cm 10kg L1 L2 E m = a А В т Find the force directional angle a as a function of L1, L2, L3, and 0 (hint: find PB and BH as functions of L1, (a) L2, L3, and 0). (b) moment ME as a function of the elbow flexion angle 6. (c) Calculate the moment at the elbow joint (E) produced by the weight. In other words, represent the elbow Find the elbow angle 0max where the magnitude of the moment about the elbow joint (||ME||) is maximized.

Name: A person is pulling a weight as shown below. His shoulder joint is no
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Description: A person is pulling a weight as shown below. His shoulder joint is not moving, but his elbow joint is free torotate. The shoulder joint (S) and the pulley (P) are at the same height (horizontal line). This can be modeled as adiagram shown in the rig

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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