Why pushing a bell does not produce a sound

@article{Ferrari2019WhyPA,
  title={Why pushing a bell does not produce a sound},
  author={Loris Ferrari},
  journal={American Journal of Physics},
  year={2019}
}
  • L. Ferrari
  • Published 14 June 2019
  • Physics
  • American Journal of Physics
The difference between "beating" and "pushing" results in the perception that a push just makes the object move as a whole, while a beat produces also a sound. Through a detailed analysis of the physics underlying such everyday experiences, we identify the \emph{strength}, the \emph{duration} and the \emph{softness} of the applied contact force, as the main (measurable) characteristics that mark such difference. The strength determines the final velocity $\Delta v$ achieved by the body. The… 

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