Answered: hip FHAM ankle knee wteT dLEG wtLEG I5

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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The joint angle between thigh and leg is θ = 90°. The resistive forces are the weights of the leg and the foot. The distance between the axis of rotation of the knee joint and the center of mass of the leg is dLEG = 8.6 in, the distance to the center of mass of the foot is dFT = 49 cm. The angle of attachment for the hamstring muscle is λ = 108°. The insertion point of the hamstring is a distance dHAM = 2.5 cm away from the knee joint axis. The mass of the foot is mFT = 1.25 kg, the mass of the leg is mLEG = 3.9 kg. What is the magnitude of FHAM to maintain this position?

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