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如何将变力做功转化为恒力做功

更新时间: 2020-07-01 00:00:00     

把变力转成恒力是等效法:可以通过等效法把求该变力做功转换成求与该变力做功相同的恒力的功,此时可用功定义式W=求变力做功方法大全求恒力的功,从而可知该变力的功。等效转换的关键是分析清楚该变力做功到底与哪个恒力的功是相同的。

关键词: 如何 做功 转化

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