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A foot pedal mechanism is crudely modeled as apendulum connected to a spring as illustrated below. The purpose of the spring is the keep the pedal...

This question was answered on May 27, 2010. View the Answer
A foot pedal mechanism is crudely modeled as apendulum connected to a spring as illustrated below. The purpose of the spring is the keep the pedal roughly horizontal when in static equilibrium.Assume that the vertical direction.Also assume that the pedal may be treated as a point mass and that the rod itself has negligible mass.The values in the figure are m=0.5kg,g=9.8m/s^2,k=5n/m,L(1)=0.2m,L(2)=0.3m.Note the moment of inertia of a thin rod about its end is j=1/3ml^2.

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This question was asked on May 27, 2010 and answered on May 27, 2010.

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