4) Which one of the following is a forced vibration? O Pulling a child back on a swing Hitting a tuning fork Mass suspen
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4) Which one of the following is a forced vibration? O Pulling a child back on a swing Hitting a tuning fork Mass suspen
4) Which one of the following is a forced vibration? O Pulling a child back on a swing Hitting a tuning fork Mass suspended on a stretched string Vibration of a building during earthquake 5) The mechanical oscillation about an equilibrium point refers OOOO The angle of incidence is less than the angle of refraction Vibration Resonance Reverberation