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Unformatted text preview: EF 152 Spring, 2009 Lecture 3-1 1 Module 3, Lecture 1 Oscillations harmonic motion Most problems have been constant force _________ acceleration Non-constant force example: __________ solved with _______ methods no information on _____ Will solve with time Simple harmonic motion EF 152 Spring, 2009 Lecture 3-1 2 Spring Force: Energy Methods Conservation of Energy Where is the maximum speed? _______ Where is the minimum speed? _______ Where is the maximum acceleration? ______ m k x x measured from ______________ position A. x = 0 B. x = x max C. x = x max D. x = x max EF 152 Spring, 2009 Lecture 3-1 3 Spring Force: Energy Methods What is the speed (in terms of the maximum speed, v max ) when the mass is halfway between the equilibrium position and the maximum position? m k x A. 0.25 v max B. 0.50 v max C. 0.75 v max D. 0.866 v max EF 152 Spring, 2009 Lecture 3-1 4 Spring Force: Include Time m k x EF 152 Spring, 2009 Lecture 3-1 5 Harmonic or Oscillatory Motion...
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- Spring '08