Physics I: 501 Practice Problems For Dummies (+ Free Online Practice)
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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:

    image1.png
  • Solid sphere of radius r rotating about its center:

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  • 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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