物理难啊难``在线等G=40N,用8.2N力推物体刚好运动,现受F1=12N,F2=6N水平作用力.M=0.2求求(1)物体受到的摩擦力?(2)若只将F1撤去后,物体受到的摩擦力?(3)只将F2撤去后,物体受到的摩擦力?注:
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![物理难啊难``在线等G=40N,用8.2N力推物体刚好运动,现受F1=12N,F2=6N水平作用力.M=0.2求求(1)物体受到的摩擦力?(2)若只将F1撤去后,物体受到的摩擦力?(3)只将F2撤去后,物体受到的摩擦力?注:](/uploads/image/z/11231711-71-1.jpg?t=%E7%89%A9%E7%90%86%E9%9A%BE%E5%95%8A%E9%9A%BE%60%60%E5%9C%A8%E7%BA%BF%E7%AD%89G%3D40N%2C%E7%94%A88.2N%E5%8A%9B%E6%8E%A8%E7%89%A9%E4%BD%93%E5%88%9A%E5%A5%BD%E8%BF%90%E5%8A%A8%2C%E7%8E%B0%E5%8F%97F1%3D12N%2CF2%3D6N%E6%B0%B4%E5%B9%B3%E4%BD%9C%E7%94%A8%E5%8A%9B.M%3D0.2%E6%B1%82%E6%B1%82%EF%BC%881%EF%BC%89%E7%89%A9%E4%BD%93%E5%8F%97%E5%88%B0%E7%9A%84%E6%91%A9%E6%93%A6%E5%8A%9B%3F%EF%BC%882%EF%BC%89%E8%8B%A5%E5%8F%AA%E5%B0%86F1%E6%92%A4%E5%8E%BB%E5%90%8E%2C%E7%89%A9%E4%BD%93%E5%8F%97%E5%88%B0%E7%9A%84%E6%91%A9%E6%93%A6%E5%8A%9B%3F%EF%BC%883%EF%BC%89%E5%8F%AA%E5%B0%86F2%E6%92%A4%E5%8E%BB%E5%90%8E%2C%E7%89%A9%E4%BD%93%E5%8F%97%E5%88%B0%E7%9A%84%E6%91%A9%E6%93%A6%E5%8A%9B%3F%E6%B3%A8%EF%BC%9A)
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