1. A person holds a 50.0-N sphere in his hand. The forearm is horizontal. The biceps musde attached 3.00 cm from the joint, and the sphere is 35.0 cm from the joint. See the accompanying figure a) What are the equations for static equilibrium of the forces? b) About point will you choose to analyze the torques? What are the equations for static equilibrium of the torques? c) What upward force d) What is the downward force must the tendon exert to keep the forearm horizontal? on the forearm at the elbow joint?

1. A person holds a 50.0-N sphere in his hand. The forearm is horizontal. The biceps musde attached 3.00 cm from the joint, and the sphere is 35.0 cm from the joint. See the accompanying figure a) What are the equations for static equilibrium of the forces? b) About point will you choose to analyze the torques? What are the equations for static equilibrium of the torques? c) What upward force d) What is the downward force must the tendon exert to keep the forearm horizontal? on the forearm at the elbow joint?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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