Periodic Oscillations And Spring System
Periodic motion is explained. Even an unsteady motion can be periodic.Frequency of an wobbling object, a ball bouncing up and down, a bottle wobbles in water or even passing wind, motion of electrons,motion of moon are all examples of periodic motion.Equation for a periodic motion is introduced. Application of the concept of S.H.M is applied to a spring system and the equivalence of a circular motion and to and fro motion is shown through a demonstration.differential equation for S.H.M is solved and physical pendulum discussed.
Prof. Walter Lewin, 8.03 Physics III: Vibrations and Waves, Massachusetts Institute of Technology: MIT OpenCourseWare),http://ocw.mit.edu (Accessed June 30, 2011). License: Creative Commons BY-NC-SA: http://ocw.mit.edu/terms/#cc
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