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Unformatted text preview: illustrated below. The purpose of the spring is to keep the pedal roughly vertical. Compute the spring stiffness needed to keep the pendulum at 1° from the horizontal and then compute the corresponding natural frequency. Assume that the angular deflections are small, such that the spring deflection can be approximated by the arc length, that the pedal may be treated as a point mass and that pendulum rod has negligible mass. The values in the figure are m =0.5 kg, g =9.8 m/s 2 , l 1 = 0.2 m and l 2 = 0.3 m. 5....
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 Fall '08
 NamıkCıplak

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