一题关于滑轮的物理选择题..我懵了...= =第一眼我就觉得选B..果然.不出所料的错了...答案是c和d....到底为什么?百思不得其解...
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/07 02:42:16
![一题关于滑轮的物理选择题..我懵了...= =第一眼我就觉得选B..果然.不出所料的错了...答案是c和d....到底为什么?百思不得其解...](/uploads/image/z/10754236-28-6.jpg?t=%E4%B8%80%E9%A2%98%E5%85%B3%E4%BA%8E%E6%BB%91%E8%BD%AE%E7%9A%84%E7%89%A9%E7%90%86%E9%80%89%E6%8B%A9%E9%A2%98..%E6%88%91%E6%87%B5%E4%BA%86...%3D+%3D%E7%AC%AC%E4%B8%80%E7%9C%BC%E6%88%91%E5%B0%B1%E8%A7%89%E5%BE%97%E9%80%89B..%E6%9E%9C%E7%84%B6.%E4%B8%8D%E5%87%BA%E6%89%80%E6%96%99%E7%9A%84%E9%94%99%E4%BA%86...%E7%AD%94%E6%A1%88%E6%98%AFc%E5%92%8Cd....%E5%88%B0%E5%BA%95%E4%B8%BA%E4%BB%80%E4%B9%88%3F%E7%99%BE%E6%80%9D%E4%B8%8D%E5%BE%97%E5%85%B6%E8%A7%A3...)
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