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Pit Stop

Record your races with a typeracer account:

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Racer Grayson (iamgod_77)
Race Number 24
Date Sun, 16 Apr 2017 21:14:11 +0000
Speed 63 WPM Try to beat?
Accuracy 95.6%
Rank 3rd place (out of 3)
Opponents ap053001 (2nd place) shoujo (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)