Last Updated
：2025/11/22
centre of mass
Noun
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Japanese Meaning
物体の質量が集中していると仮定できる点。すなわち、物体の質量分布を一つの点に置き換えられると考えることができる位置。 / 一様な密度を持つ物体では、その点は物体の中心（重心）と一致する。 / 一様な重力場においては、この点は重力中心（重心）と同じ位置になる。
（ plural ）
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(mathematics, physics) A point, near, or within a body at which the object's mass can be assumed to be concentrated; it coincides with the centroid for a body of uniform density, and with the centre of gravity in a uniform gravitational field.
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centre of mass
When calculating the motion of the irregularly shaped asteroid, engineers treated its centre of mass as if all the mass were concentrated at a single point.
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When calculating the motion of the irregularly shaped asteroid, engineers treated its centre of mass as if all the mass were concentrated at a single point.
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