Answered: As shown in Fig. 10.17, consider the…

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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As shown in Fig. 10.17, consider the person performing extension movements of the lower leg about the knee joint. The setup of the experiment is described in Example 10.4. After a series of computations it is determined that the lower leg was extended from 0 = 0° to 0 = 85° with an average angular velocity of w = 3.3 rad/s. For this system it is also estimated that the angular power generated by the knee extensor muscles during the experiment is P = 290 W. Assuming that the mass moment of inertia of the lower leg about the center of rotation of the knee joint is 1o = 93 kg m', determine: a)T he torque produced by the knee extensor muscles b) The work done by the muscles to extend the lower leg c) The kinetic energy generated by the knee extensor muscles

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tor
for
tio:
mu
mu
dif
mc
the
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tuc
Exa
The
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exp
dise
Fig. 10.12 Knee extension
Con
sitti

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