【急】倾角为45°的斜面体上,用细线系一质量为m的小球倾角为45°的斜面体上,用细线系一质量为m的小球,细线与斜面平行,当斜面体以a=2g的加速度向左运动时,线中张力多大?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 07:10:04
![【急】倾角为45°的斜面体上,用细线系一质量为m的小球倾角为45°的斜面体上,用细线系一质量为m的小球,细线与斜面平行,当斜面体以a=2g的加速度向左运动时,线中张力多大?](/uploads/image/z/9899298-18-8.jpg?t=%E3%80%90%E6%80%A5%E3%80%91%E5%80%BE%E8%A7%92%E4%B8%BA45%C2%B0%E7%9A%84%E6%96%9C%E9%9D%A2%E4%BD%93%E4%B8%8A%2C%E7%94%A8%E7%BB%86%E7%BA%BF%E7%B3%BB%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E5%B0%8F%E7%90%83%E5%80%BE%E8%A7%92%E4%B8%BA45%C2%B0%E7%9A%84%E6%96%9C%E9%9D%A2%E4%BD%93%E4%B8%8A%2C%E7%94%A8%E7%BB%86%E7%BA%BF%E7%B3%BB%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E5%B0%8F%E7%90%83%2C%E7%BB%86%E7%BA%BF%E4%B8%8E%E6%96%9C%E9%9D%A2%E5%B9%B3%E8%A1%8C%2C%E5%BD%93%E6%96%9C%E9%9D%A2%E4%BD%93%E4%BB%A5a%3D2g%E7%9A%84%E5%8A%A0%E9%80%9F%E5%BA%A6%E5%90%91%E5%B7%A6%E8%BF%90%E5%8A%A8%E6%97%B6%2C%E7%BA%BF%E4%B8%AD%E5%BC%A0%E5%8A%9B%E5%A4%9A%E5%A4%A7%3F)
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