一直尺重20N放在桌面的边沿,支持下面挂一重物当支持伸出桌面1/3倍直尺长时,直尺恰好静止在桌面上,求重物G是多少N?
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/03 11:25:29
![一直尺重20N放在桌面的边沿,支持下面挂一重物当支持伸出桌面1/3倍直尺长时,直尺恰好静止在桌面上,求重物G是多少N?](/uploads/image/z/9993333-21-3.jpg?t=%E4%B8%80%E7%9B%B4%E5%B0%BA%E9%87%8D20N%E6%94%BE%E5%9C%A8%E6%A1%8C%E9%9D%A2%E7%9A%84%E8%BE%B9%E6%B2%BF%2C%E6%94%AF%E6%8C%81%E4%B8%8B%E9%9D%A2%E6%8C%82%E4%B8%80%E9%87%8D%E7%89%A9%E5%BD%93%E6%94%AF%E6%8C%81%E4%BC%B8%E5%87%BA%E6%A1%8C%E9%9D%A21%2F3%E5%80%8D%E7%9B%B4%E5%B0%BA%E9%95%BF%E6%97%B6%2C%E7%9B%B4%E5%B0%BA%E6%81%B0%E5%A5%BD%E9%9D%99%E6%AD%A2%E5%9C%A8%E6%A1%8C%E9%9D%A2%E4%B8%8A%2C%E6%B1%82%E9%87%8D%E7%89%A9G%E6%98%AF%E5%A4%9A%E5%B0%91N%3F)
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