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简单机械知识点中有关滑轮组的计算问题,是初中物理教学中的重点和难点内容.同学们在解答这类问题时很容易出错,有时甚至会感到无从下手.下面,我将有关的知识点作了归纳,介绍给读者.
The calculation of pulleys in simple mechanical knowledge points is a key and difficult point in junior middle school physics teaching. Students are very likely to make mistakes in answering such questions. Sometimes they even feel that they can’t start. Below, I will make relevant knowledge. Inductive, introduced to the reader.