质量为M=2kg,长为l=5m的薄木板,在水平向右的力F=10N作用下,以v0=6m/s的速度匀速运动.某时刻将质量为m=1kg的铁块(可看成质点)轻轻地放在木板的最右端,水平拉力F不变,木板与铁块的动摩擦因数
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![质量为M=2kg,长为l=5m的薄木板,在水平向右的力F=10N作用下,以v0=6m/s的速度匀速运动.某时刻将质量为m=1kg的铁块(可看成质点)轻轻地放在木板的最右端,水平拉力F不变,木板与铁块的动摩擦因数](/uploads/image/z/10012841-17-1.jpg?t=%E8%B4%A8%E9%87%8F%E4%B8%BAM%3D2kg%2C%E9%95%BF%E4%B8%BAl%3D5m%E7%9A%84%E8%96%84%E6%9C%A8%E6%9D%BF%2C%E5%9C%A8%E6%B0%B4%E5%B9%B3%E5%90%91%E5%8F%B3%E7%9A%84%E5%8A%9BF%3D10N%E4%BD%9C%E7%94%A8%E4%B8%8B%2C%E4%BB%A5v0%3D6m%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8.%E6%9F%90%E6%97%B6%E5%88%BB%E5%B0%86%E8%B4%A8%E9%87%8F%E4%B8%BAm%3D1kg%E7%9A%84%E9%93%81%E5%9D%97%EF%BC%88%E5%8F%AF%E7%9C%8B%E6%88%90%E8%B4%A8%E7%82%B9%EF%BC%89%E8%BD%BB%E8%BD%BB%E5%9C%B0%E6%94%BE%E5%9C%A8%E6%9C%A8%E6%9D%BF%E7%9A%84%E6%9C%80%E5%8F%B3%E7%AB%AF%2C%E6%B0%B4%E5%B9%B3%E6%8B%89%E5%8A%9BF%E4%B8%8D%E5%8F%98%2C%E6%9C%A8%E6%9D%BF%E4%B8%8E%E9%93%81%E5%9D%97%E7%9A%84%E5%8A%A8%E6%91%A9%E6%93%A6%E5%9B%A0%E6%95%B0)
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