如图所示,A、B两物体重力都等于10N,同时有F=1N的两个水平力分别作用在A和B上.A和B均静止,则地面对B和BB对A的摩擦力分别等于( )A.6N,3N B.1N,1N C.ON,1N D.ON,2N 我知道答案是C,用
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![如图所示,A、B两物体重力都等于10N,同时有F=1N的两个水平力分别作用在A和B上.A和B均静止,则地面对B和BB对A的摩擦力分别等于( )A.6N,3N B.1N,1N C.ON,1N D.ON,2N 我知道答案是C,用](/uploads/image/z/1283082-42-2.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2CA%E3%80%81B%E4%B8%A4%E7%89%A9%E4%BD%93%E9%87%8D%E5%8A%9B%E9%83%BD%E7%AD%89%E4%BA%8E10N%2C%E5%90%8C%E6%97%B6%E6%9C%89F%3D1N%E7%9A%84%E4%B8%A4%E4%B8%AA%E6%B0%B4%E5%B9%B3%E5%8A%9B%E5%88%86%E5%88%AB%E4%BD%9C%E7%94%A8%E5%9C%A8A%E5%92%8CB%E4%B8%8A.A%E5%92%8CB%E5%9D%87%E9%9D%99%E6%AD%A2%2C%E5%88%99%E5%9C%B0%E9%9D%A2%E5%AF%B9B%E5%92%8CBB%E5%AF%B9A%E7%9A%84%E6%91%A9%E6%93%A6%E5%8A%9B%E5%88%86%E5%88%AB%E7%AD%89%E4%BA%8E%EF%BC%88%E3%80%80%E3%80%80%EF%BC%89A%EF%BC%8E6N%2C3N++++B%EF%BC%8E1N%2C1N++++C%EF%BC%8EON%2C1N++++D%EF%BC%8EON%2C2N++++%E6%88%91%E7%9F%A5%E9%81%93%E7%AD%94%E6%A1%88%E6%98%AFC%2C%E7%94%A8)
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