如图所示,质量为M=4kg的木板长L=1.4m,静止在光滑的水平地面上,其上端右侧静置一个质量为m=1kg的小滑块,小滑块与模板之间的动摩擦因数为μ=0.4.今用一水平力F=28N向右拉木板,要使小滑块从木板
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![如图所示,质量为M=4kg的木板长L=1.4m,静止在光滑的水平地面上,其上端右侧静置一个质量为m=1kg的小滑块,小滑块与模板之间的动摩擦因数为μ=0.4.今用一水平力F=28N向右拉木板,要使小滑块从木板](/uploads/image/z/2838401-17-1.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E8%B4%A8%E9%87%8F%E4%B8%BAM%3D4kg%E7%9A%84%E6%9C%A8%E6%9D%BF%E9%95%BFL%3D1.4m%2C%E9%9D%99%E6%AD%A2%E5%9C%A8%E5%85%89%E6%BB%91%E7%9A%84%E6%B0%B4%E5%B9%B3%E5%9C%B0%E9%9D%A2%E4%B8%8A%2C%E5%85%B6%E4%B8%8A%E7%AB%AF%E5%8F%B3%E4%BE%A7%E9%9D%99%E7%BD%AE%E4%B8%80%E4%B8%AA%E8%B4%A8%E9%87%8F%E4%B8%BAm%3D1kg%E7%9A%84%E5%B0%8F%E6%BB%91%E5%9D%97%2C%E5%B0%8F%E6%BB%91%E5%9D%97%E4%B8%8E%E6%A8%A1%E6%9D%BF%E4%B9%8B%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%3D0.4.%E4%BB%8A%E7%94%A8%E4%B8%80%E6%B0%B4%E5%B9%B3%E5%8A%9BF%3D28N%E5%90%91%E5%8F%B3%E6%8B%89%E6%9C%A8%E6%9D%BF%2C%E8%A6%81%E4%BD%BF%E5%B0%8F%E6%BB%91%E5%9D%97%E4%BB%8E%E6%9C%A8%E6%9D%BF)
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