大学物理大学物理下 (39).ppt
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1、15.8 5.8 Forced Oscillations and Forced Oscillations and ResonanceResonanceCollege Physics II平台标位置预留OBJECTIVESDefine forced oscillations;List the equations of motion associated with forced oscillations;Explain the concept of resonance and its impact on the amplitude of an oscillator.Forced(driven)fo
2、rce:The motion equation with damping isThe first term approaches zero in time,so we only considerCollege Physics II平台标位置预留2The amplitude can become large when the driving frequency d is near natural frequency,as long as the damping is not too large.It is approximately the condition at which the amplitude of oscillations is greatest.College Physics II平台标位置预留Resonance3College Physics II平台标位置预留4College Physics II平台标位置预留5
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- 大学物理大学物理下 39 大学物理 39
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