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单词 work
释义 work
The work done by a force acting on a body is the product of the force and the distance moved by its point of application in the direction of the force. If a force F acts in such a way that the displacement s is in a direction that makes an angle θ with the direction of the force, the work done is given by:
W = Fscosθ
. Work is the scalar product of the force and displacement vectors. It is measured in joules
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更新时间:2025/6/22 21:26:17