两个质量相同的小球AB,分别用轻绳悬在等高的两点,A悬线比B悬线长,把两球的悬线均拉到水平位置无初速度释放,则小球经过最低点时AB两小球对绳的拉力相同,为什么?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 13:24:21
![两个质量相同的小球AB,分别用轻绳悬在等高的两点,A悬线比B悬线长,把两球的悬线均拉到水平位置无初速度释放,则小球经过最低点时AB两小球对绳的拉力相同,为什么?](/uploads/image/z/11255783-23-3.jpg?t=%E4%B8%A4%E4%B8%AA%E8%B4%A8%E9%87%8F%E7%9B%B8%E5%90%8C%E7%9A%84%E5%B0%8F%E7%90%83AB%2C%E5%88%86%E5%88%AB%E7%94%A8%E8%BD%BB%E7%BB%B3%E6%82%AC%E5%9C%A8%E7%AD%89%E9%AB%98%E7%9A%84%E4%B8%A4%E7%82%B9%2CA%E6%82%AC%E7%BA%BF%E6%AF%94B%E6%82%AC%E7%BA%BF%E9%95%BF%2C%E6%8A%8A%E4%B8%A4%E7%90%83%E7%9A%84%E6%82%AC%E7%BA%BF%E5%9D%87%E6%8B%89%E5%88%B0%E6%B0%B4%E5%B9%B3%E4%BD%8D%E7%BD%AE%E6%97%A0%E5%88%9D%E9%80%9F%E5%BA%A6%E9%87%8A%E6%94%BE%2C%E5%88%99%E5%B0%8F%E7%90%83%E7%BB%8F%E8%BF%87%E6%9C%80%E4%BD%8E%E7%82%B9%E6%97%B6AB%E4%B8%A4%E5%B0%8F%E7%90%83%E5%AF%B9%E7%BB%B3%E7%9A%84%E6%8B%89%E5%8A%9B%E7%9B%B8%E5%90%8C%2C%E4%B8%BA%E4%BB%80%E4%B9%88%3F)
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