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单词 uniform gravitational force
释义

uniform gravitational force

A gravitational force, acting on a particular body, that is independent of the position of the body.

For example, the gravitational force acting on a particle of mass m near the Earth's surface, assumed to be a horizontal plane, can be taken to be −mgk, where k is a unit vector directed vertically upwards and g is the magnitude of the acceleration due to gravity.

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更新时间:2025/4/30 7:35:10