Consider the motion of a pendulum that is supported by springs that are elastically restrained to horizontal
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Consider the motion of a pendulum that is supported by springs that are elastically restrained to horizontal motion, as depicted in Figure 5.38. Assume that the springs are massless and remain horizontal, that \(\theta\) is small, and \(r\) is a constant. Formulate the equations of motion using
(a) Newton's second law,
(b) Lagrange's equation, and
(c) Hamilton's principle. Show that the period \(\tau\) is given by
\[ \tau=2 \pi \sqrt{\frac{m g+2 k r}{2 k g}} \]
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Related Book For
Mechanical Vibration Analysis, Uncertainties, And Control
ISBN: 9781498753012
4th Edition
Authors: Haym Benaroya, Mark L Nagurka, Seon Mi Han
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