如图三所示,两根细线挂着两个质量相同的小球ab,两根细先挂着两个质量相同的小球A,B原来两球不带电时,上下两根细线的拉力为Fa,F b,现在两球带上同种电荷后,上下两根细线的拉力分别为Fa'
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 08:15:45
![如图三所示,两根细线挂着两个质量相同的小球ab,两根细先挂着两个质量相同的小球A,B原来两球不带电时,上下两根细线的拉力为Fa,F b,现在两球带上同种电荷后,上下两根细线的拉力分别为Fa'](/uploads/image/z/10006698-66-8.jpg?t=%E5%A6%82%E5%9B%BE%E4%B8%89%E6%89%80%E7%A4%BA%2C%E4%B8%A4%E6%A0%B9%E7%BB%86%E7%BA%BF%E6%8C%82%E7%9D%80%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%E4%B8%A4%E6%A0%B9%E7%BB%86%E5%85%88%E6%8C%82%E7%9D%80%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%83A%2CB%E5%8E%9F%E6%9D%A5%E4%B8%A4%E7%90%83%E4%B8%8D%E5%B8%A6%E7%94%B5%E6%97%B6%2C%E4%B8%8A%E4%B8%8B%E4%B8%A4%E6%A0%B9%E7%BB%86%E7%BA%BF%E7%9A%84%E6%8B%89%E5%8A%9B%E4%B8%BAFa%2CF+b%2C%E7%8E%B0%E5%9C%A8%E4%B8%A4%E7%90%83%E5%B8%A6%E4%B8%8A%E5%90%8C%E7%A7%8D%E7%94%B5%E8%8D%B7%E5%90%8E%2C%E4%B8%8A%E4%B8%8B%E4%B8%A4%E6%A0%B9%E7%BB%86%E7%BA%BF%E7%9A%84%E6%8B%89%E5%8A%9B%E5%88%86%E5%88%AB%E4%B8%BAFa%26%2339)
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