放在水平面上质量为m的物体与水平面间的动摩擦因数为μ,物体在水平恒力F1的作用下恰好做匀速直线运动若再给物体加一个恒力F2,F1F2大小相等,要使物体仍然在原来方向上做匀速直线运动,力F
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![放在水平面上质量为m的物体与水平面间的动摩擦因数为μ,物体在水平恒力F1的作用下恰好做匀速直线运动若再给物体加一个恒力F2,F1F2大小相等,要使物体仍然在原来方向上做匀速直线运动,力F](/uploads/image/z/2310318-54-8.jpg?t=%E6%94%BE%E5%9C%A8%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E7%89%A9%E4%BD%93%E4%B8%8E%E6%B0%B4%E5%B9%B3%E9%9D%A2%E9%97%B4%E7%9A%84%E5%8A%A8%E6%91%A9%E6%93%A6%E5%9B%A0%E6%95%B0%E4%B8%BA%CE%BC%2C%E7%89%A9%E4%BD%93%E5%9C%A8%E6%B0%B4%E5%B9%B3%E6%81%92%E5%8A%9BF1%E7%9A%84%E4%BD%9C%E7%94%A8%E4%B8%8B%E6%81%B0%E5%A5%BD%E5%81%9A%E5%8C%80%E9%80%9F%E7%9B%B4%E7%BA%BF%E8%BF%90%E5%8A%A8%E8%8B%A5%E5%86%8D%E7%BB%99%E7%89%A9%E4%BD%93%E5%8A%A0%E4%B8%80%E4%B8%AA%E6%81%92%E5%8A%9BF2%2CF1F2%E5%A4%A7%E5%B0%8F%E7%9B%B8%E7%AD%89%2C%E8%A6%81%E4%BD%BF%E7%89%A9%E4%BD%93%E4%BB%8D%E7%84%B6%E5%9C%A8%E5%8E%9F%E6%9D%A5%E6%96%B9%E5%90%91%E4%B8%8A%E5%81%9A%E5%8C%80%E9%80%9F%E7%9B%B4%E7%BA%BF%E8%BF%90%E5%8A%A8%2C%E5%8A%9BF)
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