如图15所示,水平桌面上有一薄木板,它的右端与桌面的右端相齐.薄木板的质量M = 1.0 kg,长度L = 1.0 m.在薄木板的中央有一个小滑块(可视为质点),质量m = 0.5 kg.小滑块与薄木板之间的动摩擦因
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![如图15所示,水平桌面上有一薄木板,它的右端与桌面的右端相齐.薄木板的质量M = 1.0 kg,长度L = 1.0 m.在薄木板的中央有一个小滑块(可视为质点),质量m = 0.5 kg.小滑块与薄木板之间的动摩擦因](/uploads/image/z/8244035-35-5.jpg?t=%E5%A6%82%E5%9B%BE15%E6%89%80%E7%A4%BA%2C%E6%B0%B4%E5%B9%B3%E6%A1%8C%E9%9D%A2%E4%B8%8A%E6%9C%89%E4%B8%80%E8%96%84%E6%9C%A8%E6%9D%BF%2C%E5%AE%83%E7%9A%84%E5%8F%B3%E7%AB%AF%E4%B8%8E%E6%A1%8C%E9%9D%A2%E7%9A%84%E5%8F%B3%E7%AB%AF%E7%9B%B8%E9%BD%90.%E8%96%84%E6%9C%A8%E6%9D%BF%E7%9A%84%E8%B4%A8%E9%87%8FM+%3D+1.0+kg%2C%E9%95%BF%E5%BA%A6L+%3D+1.0+m.%E5%9C%A8%E8%96%84%E6%9C%A8%E6%9D%BF%E7%9A%84%E4%B8%AD%E5%A4%AE%E6%9C%89%E4%B8%80%E4%B8%AA%E5%B0%8F%E6%BB%91%E5%9D%97%EF%BC%88%E5%8F%AF%E8%A7%86%E4%B8%BA%E8%B4%A8%E7%82%B9%EF%BC%89%2C%E8%B4%A8%E9%87%8Fm+%3D+0.5+kg.%E5%B0%8F%E6%BB%91%E5%9D%97%E4%B8%8E%E8%96%84%E6%9C%A8%E6%9D%BF%E4%B9%8B%E9%97%B4%E7%9A%84%E5%8A%A8%E6%91%A9%E6%93%A6%E5%9B%A0)
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