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typeracer

Pit Stop

Record your races with a typeracer account:

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  • Save your race history and scores.
  • Customize your profile and racecar.
  • It’s free, why not?
Racer Brenton (cthru45)
Race Number 11
Date Mon, 15 May 2017 17:25:12 +0000
Speed 57 WPM Try to beat?
Accuracy 92.0%
Rank 3rd place (out of 4)
Opponents normalman (2nd place)

Text typed:

In two dimensions we say that a rigid body has only one rotational degree of freedom, whereas in three dimensions we say that a rigid body has three rotational degrees of freedom. This might lead you to infer that in three dimensions you need to have three scalar quantities to represent a body's rotation. Indeed, this is the minimum requirement.
Physics for Game Developers (book) by David M Bourg (see stats)