6. If you hold your arm outstretched with palm upward, as in the figure, the force to keep your arm from falling comes from your deltoid muscle. The arm of a typical person has mass 4.0 kg and the distances and angles shown in the Figure. a. What force must the deltoid muscle provide to keep the arm in this position? b. By what factor does this force exceed the weight of the arm? 15° Deltoid 17 cm 38 cm e201a Person Education, irc

6. If you hold your arm outstretched with palm upward, as in the figure, the force to keep your arm from falling comes from your deltoid muscle. The arm of a typical person has mass 4.0 kg and the distances and angles shown in the Figure. a. What force must the deltoid muscle provide to keep the arm in this position? b. By what factor does this force exceed the weight of the arm? 15° Deltoid 17 cm 38 cm e201a Person Education, irc

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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