如图,平板A长L=2m,厚度可以忽略,质量为M=5kg,放在水平面上.在A的右端放一质量m=2kg的小物体B,已知A与B之间的动摩擦因数μ=0.1.A,B两物体与桌面间的动摩擦因数均为μ=0.2.最初系统静止,现对木板A
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![如图,平板A长L=2m,厚度可以忽略,质量为M=5kg,放在水平面上.在A的右端放一质量m=2kg的小物体B,已知A与B之间的动摩擦因数μ=0.1.A,B两物体与桌面间的动摩擦因数均为μ=0.2.最初系统静止,现对木板A](/uploads/image/z/11262075-51-5.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%B9%B3%E6%9D%BFA%E9%95%BFL%3D2m%2C%E5%8E%9A%E5%BA%A6%E5%8F%AF%E4%BB%A5%E5%BF%BD%E7%95%A5%2C%E8%B4%A8%E9%87%8F%E4%B8%BAM%3D5kg%2C%E6%94%BE%E5%9C%A8%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A.%E5%9C%A8A%E7%9A%84%E5%8F%B3%E7%AB%AF%E6%94%BE%E4%B8%80%E8%B4%A8%E9%87%8Fm%3D2kg%E7%9A%84%E5%B0%8F%E7%89%A9%E4%BD%93B%2C%E5%B7%B2%E7%9F%A5A%E4%B8%8EB%E4%B9%8B%E9%97%B4%E7%9A%84%E5%8A%A8%E6%91%A9%E6%93%A6%E5%9B%A0%E6%95%B0%CE%BC%3D0.1.A%2CB%E4%B8%A4%E7%89%A9%E4%BD%93%E4%B8%8E%E6%A1%8C%E9%9D%A2%E9%97%B4%E7%9A%84%E5%8A%A8%E6%91%A9%E6%93%A6%E5%9B%A0%E6%95%B0%E5%9D%87%E4%B8%BA%CE%BC%3D0.2.%E6%9C%80%E5%88%9D%E7%B3%BB%E7%BB%9F%E9%9D%99%E6%AD%A2%2C%E7%8E%B0%E5%AF%B9%E6%9C%A8%E6%9D%BFA)
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