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. Period of each cycle is constant. Force causing the motion is directed toward the equilibrium point (minus sign).
Oscillations and Waves • Simple Harmonic Motion • Energy in SHM • Some Oscillating Systems • Damped Oscillations • Driven Oscillations • Resonance. MFMcGraw-PHY 2425 Chap 15Ha-Oscillations-Revised 10/13/2012 3 Simple Harmonic Motion Simple harmonic motion (SHM) occurs when the restoring force
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