出典:Wikipedia
出典:『Wikipedia』 (2011/07/13 03:25 UTC 版)
A gyroscope is a device for measuring or maintaining orientation, based on the principles of conservation of angular momentum. In essence, a mechanical gyroscope is a spinning wheel or disk whose axle is free to take any orientation. This orientation changes much less in response to a given external torque than it would without the large angular momentum associated with the gyroscope's high rate of spin. Since external torque is minimized by mounting the device in gimbals, its orientation remains nearly fixed, regardless of any motion of the platform on which it is mounted.
a gyroscope
a gyroscope
木挽(こび)き.
megalosaurs
弓師.
gladiolas
eelpouts
trumpeters
the zodiac
rorquals
スチックウィード
weaverbirds
jacamars
thornbills
a gong
スズドリ
bellbirds
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