半径为r的金属圆环竖直放置,环上套有一质量为m的小球,小球开始静止于最低点,现让它以初速度v沿环向上v为根号下6rg.求:1、若金属环光滑,小球运动到环的最高点时,环对小球作用力的大小
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 23:49:22
![半径为r的金属圆环竖直放置,环上套有一质量为m的小球,小球开始静止于最低点,现让它以初速度v沿环向上v为根号下6rg.求:1、若金属环光滑,小球运动到环的最高点时,环对小球作用力的大小](/uploads/image/z/8397888-24-8.jpg?t=%E5%8D%8A%E5%BE%84%E4%B8%BAr%E7%9A%84%E9%87%91%E5%B1%9E%E5%9C%86%E7%8E%AF%E7%AB%96%E7%9B%B4%E6%94%BE%E7%BD%AE%2C%E7%8E%AF%E4%B8%8A%E5%A5%97%E6%9C%89%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E5%B0%8F%E7%90%83%2C%E5%B0%8F%E7%90%83%E5%BC%80%E5%A7%8B%E9%9D%99%E6%AD%A2%E4%BA%8E%E6%9C%80%E4%BD%8E%E7%82%B9%2C%E7%8E%B0%E8%AE%A9%E5%AE%83%E4%BB%A5%E5%88%9D%E9%80%9F%E5%BA%A6v%E6%B2%BF%E7%8E%AF%E5%90%91%E4%B8%8Av%E4%B8%BA%E6%A0%B9%E5%8F%B7%E4%B8%8B6rg.%E6%B1%82%EF%BC%9A1%E3%80%81%E8%8B%A5%E9%87%91%E5%B1%9E%E7%8E%AF%E5%85%89%E6%BB%91%2C%E5%B0%8F%E7%90%83%E8%BF%90%E5%8A%A8%E5%88%B0%E7%8E%AF%E7%9A%84%E6%9C%80%E9%AB%98%E7%82%B9%E6%97%B6%2C%E7%8E%AF%E5%AF%B9%E5%B0%8F%E7%90%83%E4%BD%9C%E7%94%A8%E5%8A%9B%E7%9A%84%E5%A4%A7%E5%B0%8F)
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