Understanding Motion

  • David Cassidy
  • Gerald Holton
  • James Rutherford
Part of the Undergraduate Texts in Contemporary Physics book series (UTCP)


You saw in the previous chapter that the proposal that the Earth moves caused all sorts of problems for the Earth-centered view of the Universe—as well as for theology, philosophy, and just plain common sense. If the Earth really is moving around the Sun, then what keeps the heavy Earth on its orbit? The ground beneath our feet must be moving very fast, so why do heavy objects fall straight down, instead of hitting behind the spot over which they are released?


Gravitational Force Free Fall Circular Motion Space Shuttle Natural Motion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Further Reading

  1. G. Holton and S.G. Brush, Physics, The Human Adventure (Piscataway, NJ: Rutgers University Press, 2001), Chapters 8–10.Google Scholar
  2. R.S. Westfall, The Construction of Modern Science: Mechanisms and Mechanics ( New York: Cambridge University Press, 1978 ).Google Scholar
  3. T.S. Kuhn, The Copernican Revolution: Planetary Astronomy in the Development of Western Thought ( Cambridge, MA: Harvard University Press, 1982 ).Google Scholar

Copyright information

© Springer Science+Business Media New York 2002

Authors and Affiliations

  • David Cassidy
    • 1
  • Gerald Holton
    • 2
  • James Rutherford
    • 3
  1. 1.Natural Science ProgramHofstra UniversityHempsteadUSA
  2. 2.358 Jefferson Physical LaboratoryHarvard UniversityCambridgeUSA
  3. 3.American Association for Advancement of ScienceUSA

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