一道物理分析题...如图质量都为m的两个小球A,B固定在横杆的两端,将其放入光华的半圆形碗中,杆的长度等于碗的半径,当杆与碗的竖直半径垂直时,两球刚好平衡,则杆的作用力为?主要是问题我
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![一道物理分析题...如图质量都为m的两个小球A,B固定在横杆的两端,将其放入光华的半圆形碗中,杆的长度等于碗的半径,当杆与碗的竖直半径垂直时,两球刚好平衡,则杆的作用力为?主要是问题我](/uploads/image/z/10712485-37-5.jpg?t=%E4%B8%80%E9%81%93%E7%89%A9%E7%90%86%E5%88%86%E6%9E%90%E9%A2%98...%E5%A6%82%E5%9B%BE%E8%B4%A8%E9%87%8F%E9%83%BD%E4%B8%BAm%E7%9A%84%E4%B8%A4%E4%B8%AA%E5%B0%8F%E7%90%83A%2CB%E5%9B%BA%E5%AE%9A%E5%9C%A8%E6%A8%AA%E6%9D%86%E7%9A%84%E4%B8%A4%E7%AB%AF%2C%E5%B0%86%E5%85%B6%E6%94%BE%E5%85%A5%E5%85%89%E5%8D%8E%E7%9A%84%E5%8D%8A%E5%9C%86%E5%BD%A2%E7%A2%97%E4%B8%AD%2C%E6%9D%86%E7%9A%84%E9%95%BF%E5%BA%A6%E7%AD%89%E4%BA%8E%E7%A2%97%E7%9A%84%E5%8D%8A%E5%BE%84%2C%E5%BD%93%E6%9D%86%E4%B8%8E%E7%A2%97%E7%9A%84%E7%AB%96%E7%9B%B4%E5%8D%8A%E5%BE%84%E5%9E%82%E7%9B%B4%E6%97%B6%2C%E4%B8%A4%E7%90%83%E5%88%9A%E5%A5%BD%E5%B9%B3%E8%A1%A1%2C%E5%88%99%E6%9D%86%E7%9A%84%E4%BD%9C%E7%94%A8%E5%8A%9B%E4%B8%BA%3F%E4%B8%BB%E8%A6%81%E6%98%AF%E9%97%AE%E9%A2%98%E6%88%91)
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