Transcription of Chapter 15 Oscillations and Waves
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Chapter 15 Oscillations and WavesMFMcGraw-PHY 2425 Chap 15Ha- Oscillations -Revised 10/13/20122 Oscillations and Waves Simple Harmonic Motion Energy in SHM Some Oscillating Systems Damped Oscillations Driven Oscillations ResonanceMFMcGraw-PHY 2425 Chap 15Ha- Oscillations -Revised 10/13/20123 Simple Harmonic MotionSimple harmonic motion (SHM) occurs when the restoring force (the force directed toward a stable equilibrium point) is proportional to the displacement from 2425 Chap 15Ha- Oscillations -Revised 10/13/20124 Characteristics of SHM Repetitive motion through a central equilibrium point. Symmetry of maximum displacement.
The origin is at the pivot point. The coordinates are (r, φ). The r-coordinate points from the origin along the rod. The φ-coordinate is perpendicular to the rod and is positive in the counter clockwise direction. ... If we assume that φ <<1 rad, then sin ...
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