如图所示,物快A重10n,B重20n,AB间的动摩擦因数为0·1如图所示,设A重10N,B重20N,A、B间的动摩擦因数为0.1,B与地面的动摩擦因数为0.2 问:1.至少对B向左施多大的力,才能使A、B发生相对滑动?2.若A、B
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![如图所示,物快A重10n,B重20n,AB间的动摩擦因数为0·1如图所示,设A重10N,B重20N,A、B间的动摩擦因数为0.1,B与地面的动摩擦因数为0.2 问:1.至少对B向左施多大的力,才能使A、B发生相对滑动?2.若A、B](/uploads/image/z/12418843-67-3.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E7%89%A9%E5%BF%ABA%E9%87%8D10n%2CB%E9%87%8D20n%2CAB%E9%97%B4%E7%9A%84%E5%8A%A8%E6%91%A9%E6%93%A6%E5%9B%A0%E6%95%B0%E4%B8%BA0%C2%B71%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E8%AE%BEA%E9%87%8D10N%2CB%E9%87%8D20N%2CA%E3%80%81B%E9%97%B4%E7%9A%84%E5%8A%A8%E6%91%A9%E6%93%A6%E5%9B%A0%E6%95%B0%E4%B8%BA0.1%2CB%E4%B8%8E%E5%9C%B0%E9%9D%A2%E7%9A%84%E5%8A%A8%E6%91%A9%E6%93%A6%E5%9B%A0%E6%95%B0%E4%B8%BA0.2+%E9%97%AE%EF%BC%9A1.%E8%87%B3%E5%B0%91%E5%AF%B9B%E5%90%91%E5%B7%A6%E6%96%BD%E5%A4%9A%E5%A4%A7%E7%9A%84%E5%8A%9B%2C%E6%89%8D%E8%83%BD%E4%BD%BFA%E3%80%81B%E5%8F%91%E7%94%9F%E7%9B%B8%E5%AF%B9%E6%BB%91%E5%8A%A8%3F2.%E8%8B%A5A%E3%80%81B)
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