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Pit Stop

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Racer Ben (wildben)
Race Number 2544
Date Thu, 9 Feb 2017 07:20:37 +0000
Speed 96 WPM Try to beat?
Accuracy 92.5%
Rank 3rd place (out of 5)
Opponents dallas1372 (4th place) jerbearius (1st 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)