“运用机械时,人所做的功永远大于机械对物体所做的功”这句话对吗?是使用简单机械,电动机械等不算在内!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 10:03:20
![“运用机械时,人所做的功永远大于机械对物体所做的功”这句话对吗?是使用简单机械,电动机械等不算在内!](/uploads/image/z/14677012-28-2.jpg?t=%E2%80%9C%E8%BF%90%E7%94%A8%E6%9C%BA%E6%A2%B0%E6%97%B6%2C%E4%BA%BA%E6%89%80%E5%81%9A%E7%9A%84%E5%8A%9F%E6%B0%B8%E8%BF%9C%E5%A4%A7%E4%BA%8E%E6%9C%BA%E6%A2%B0%E5%AF%B9%E7%89%A9%E4%BD%93%E6%89%80%E5%81%9A%E7%9A%84%E5%8A%9F%E2%80%9D%E8%BF%99%E5%8F%A5%E8%AF%9D%E5%AF%B9%E5%90%97%3F%E6%98%AF%E4%BD%BF%E7%94%A8%E7%AE%80%E5%8D%95%E6%9C%BA%E6%A2%B0%EF%BC%8C%E7%94%B5%E5%8A%A8%E6%9C%BA%E6%A2%B0%E7%AD%89%E4%B8%8D%E7%AE%97%E5%9C%A8%E5%86%85%EF%BC%81)
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