如图所示,质量相同的小球A,B分别用细线悬在等高的O1,O2点,A球的悬线比B球的长,如图所示,质量相同的小球A,B分别用细线悬在等高的O1,O2点,A球的悬线比B球的长,把两个球的悬线均拉到水平后将
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![如图所示,质量相同的小球A,B分别用细线悬在等高的O1,O2点,A球的悬线比B球的长,如图所示,质量相同的小球A,B分别用细线悬在等高的O1,O2点,A球的悬线比B球的长,把两个球的悬线均拉到水平后将](/uploads/image/z/10156838-14-8.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E8%B4%A8%E9%87%8F%E7%9B%B8%E5%90%8C%E7%9A%84%E5%B0%8F%E7%90%83A%2CB%E5%88%86%E5%88%AB%E7%94%A8%E7%BB%86%E7%BA%BF%E6%82%AC%E5%9C%A8%E7%AD%89%E9%AB%98%E7%9A%84O1%2CO2%E7%82%B9%2CA%E7%90%83%E7%9A%84%E6%82%AC%E7%BA%BF%E6%AF%94B%E7%90%83%E7%9A%84%E9%95%BF%2C%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E8%B4%A8%E9%87%8F%E7%9B%B8%E5%90%8C%E7%9A%84%E5%B0%8F%E7%90%83A%2CB%E5%88%86%E5%88%AB%E7%94%A8%E7%BB%86%E7%BA%BF%E6%82%AC%E5%9C%A8%E7%AD%89%E9%AB%98%E7%9A%84O1%2CO2%E7%82%B9%2CA%E7%90%83%E7%9A%84%E6%82%AC%E7%BA%BF%E6%AF%94B%E7%90%83%E7%9A%84%E9%95%BF%2C%E6%8A%8A%E4%B8%A4%E4%B8%AA%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%E5%90%8E%E5%B0%86)
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