如图所示,质量为m1=2kg的木板A放在水平面上,木板与水平面间的动摩擦因数为μ1=0.1.木板在F=7N的水平拉力作用下由静止开始向右做匀加速运动,经过时间t=4s时在木板的右端轻放一质量为m2=1kg的
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![如图所示,质量为m1=2kg的木板A放在水平面上,木板与水平面间的动摩擦因数为μ1=0.1.木板在F=7N的水平拉力作用下由静止开始向右做匀加速运动,经过时间t=4s时在木板的右端轻放一质量为m2=1kg的](/uploads/image/z/917902-46-2.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E8%B4%A8%E9%87%8F%E4%B8%BAm1%3D2kg%E7%9A%84%E6%9C%A8%E6%9D%BFA%E6%94%BE%E5%9C%A8%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%2C%E6%9C%A8%E6%9D%BF%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%BC1%3D0.1.%E6%9C%A8%E6%9D%BF%E5%9C%A8F%3D7N%E7%9A%84%E6%B0%B4%E5%B9%B3%E6%8B%89%E5%8A%9B%E4%BD%9C%E7%94%A8%E4%B8%8B%E7%94%B1%E9%9D%99%E6%AD%A2%E5%BC%80%E5%A7%8B%E5%90%91%E5%8F%B3%E5%81%9A%E5%8C%80%E5%8A%A0%E9%80%9F%E8%BF%90%E5%8A%A8%2C%E7%BB%8F%E8%BF%87%E6%97%B6%E9%97%B4t%3D4s%E6%97%B6%E5%9C%A8%E6%9C%A8%E6%9D%BF%E7%9A%84%E5%8F%B3%E7%AB%AF%E8%BD%BB%E6%94%BE%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm2%3D1kg%E7%9A%84)
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