Last Updated
：2025/11/25
proper acceleration
Noun
Japanese Meaning
（物理学）物体が実際に経験する加速度。これは、座標加速度ではなく、物体自身が感じる加速度を指し、ローレンツ変換下でも変わらない不変の値となる。
（ plural ）
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(physics) The acceleration felt by an object, as opposed to the coordinate acceleration. For example the acceleration of an object at the surface of the Earth is 9.81 m/s² upwards, but has no coordinate acceleration. The proper acceleration of an object is Lorentz invariant.
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proper acceleration
During launch, an astronaut strapped to the seat experiences proper acceleration.
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During launch, an astronaut strapped to the seat experiences proper acceleration.
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