物体叠放间的摩擦力2.如图所示,在粗糙的水平面上叠放着物体A和B,A和B间的接触面也是粗糙的,如果用水平拉力F拉A,但A、B仍保持静止,则下面的说法中正确的是( ).A.物体A与地面间的静摩
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![物体叠放间的摩擦力2.如图所示,在粗糙的水平面上叠放着物体A和B,A和B间的接触面也是粗糙的,如果用水平拉力F拉A,但A、B仍保持静止,则下面的说法中正确的是( ).A.物体A与地面间的静摩](/uploads/image/z/6599178-18-8.jpg?t=%E7%89%A9%E4%BD%93%E5%8F%A0%E6%94%BE%E9%97%B4%E7%9A%84%E6%91%A9%E6%93%A6%E5%8A%9B2%EF%BC%8E%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E5%9C%A8%E7%B2%97%E7%B3%99%E7%9A%84%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%E5%8F%A0%E6%94%BE%E7%9D%80%E7%89%A9%E4%BD%93A%E5%92%8CB%2CA%E5%92%8CB%E9%97%B4%E7%9A%84%E6%8E%A5%E8%A7%A6%E9%9D%A2%E4%B9%9F%E6%98%AF%E7%B2%97%E7%B3%99%E7%9A%84%2C%E5%A6%82%E6%9E%9C%E7%94%A8%E6%B0%B4%E5%B9%B3%E6%8B%89%E5%8A%9BF%E6%8B%89A%2C%E4%BD%86A%E3%80%81B%E4%BB%8D%E4%BF%9D%E6%8C%81%E9%9D%99%E6%AD%A2%2C%E5%88%99%E4%B8%8B%E9%9D%A2%E7%9A%84%E8%AF%B4%E6%B3%95%E4%B8%AD%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF%EF%BC%88+%EF%BC%89.A%EF%BC%8E%E7%89%A9%E4%BD%93A%E4%B8%8E%E5%9C%B0%E9%9D%A2%E9%97%B4%E7%9A%84%E9%9D%99%E6%91%A9)
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