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PreprintCC BY 4.0arXiv

Johann Bernoulli's analysis of elastic collisions (a teaching sequence to introduce the dynamic law thereby inspired)

Abstract

In order to explain an elastic collision, Johann Bernoulli considered two bodies connected by a spring. Motion is defined as a succession of states of rest. Then, considering the spring to be a lever with a body at each extremity, the laws of equilibrium imply that `motion' is described by the time variation of the (common) quantity of motion of the bodies; the dynamic law is thus deduced. This inspires a teaching sequence to introduce the dynamic law (in one dimension) in introductory physics course; we call it ``bernoullian sequence''.

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BibTeX
@misc{campos2026johann,
  title = {{Johann Bernoulli's analysis of elastic collisions (a teaching sequence to introduce the dynamic law thereby inspired)}},
  author = {Roberta T. Campos and Mariana F. B. Francisquini and Penha M. Cardozo Dias},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.24067},
  eprint = {2609.24067},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.24067},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Johann Bernoulli's analysis of elastic collisions (a teaching sequence to introduce the dynamic law thereby inspired)
AU  - Roberta T. Campos
AU  - Mariana F. B. Francisquini
AU  - Penha M. Cardozo Dias
PY  - 2026
DA  - 2026/09/21
PB  - arXiv
DO  - 10.48550/arxiv.2609.24067
UR  - https://arxiv.org/abs/2609.24067
AB  - In order to explain an elastic collision, Johann Bernoulli considered two bodies connected by a spring. Motion is defined as a succession of states of rest. Then, considering the spring to be a lever with a body at each extremity, the laws of equilibrium imply that `motion' is described by the time variation of the (common) quantity of motion of the bodies; the dynamic law is thus deduced. This inspires a teaching sequence to introduce the dynamic law (in one dimension) in introductory physics course; we call it ``bernoullian sequence''.
ER  -