Definition
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force
Force is the physical power or strength exerted on an object to cause it to move or change its motion.
力是施加在物体上的物理力量或强度,以使其移动或改变其运动。
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The force of the wind knocked down several trees.
风的力量吹倒了几棵树。
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She used all her force to lift the heavy box.
她用尽全力来抬起那个重箱子。
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In physics, force is defined as mass times acceleration.
在物理学中,力被定义为质量乘以加速度。