Quantum Physics For Dummies
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In physics, the moment of inertia measures how resistant an object is to changes in its rotational motion about a particular axis. Here are some of the most common moments of inertia:

  • Solid cylinder or disk of radius r rotating about its axis of symmetry:

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  • Hollow cylinder of radius r rotating about its axis of symmetry:

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  • Solid sphere of radius r rotating about its center:

    image2.png
  • Hollow sphere of radius r rotating about its center:

    image3.png
  • Thin rod of length r rotating about its middle:

    image4.png
  • Thin rod of length r rotating about one end:

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Steven Holzner was an award-winning author of more than 130 books, of which more than 2 million copies have been sold. His books have been translated into 23 languages. He served on the Physics faculty at Cornell University for more than a decade, teaching both Physics 101 and Physics 102. Holzner received his doctorate in physics from Cornell and performed his undergraduate work at Massachusetts Institute of Technology, where he also served as a faculty member.

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