如图所示,质量为m的木块以初速度V0在置于水平面上的木板上滑行,木板静止,木板与木板,木板与桌面的动摩擦因数均为μ,木板质量为3m,则木板所受桌面给的摩擦力大小为多少?A μmg B
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![如图所示,质量为m的木块以初速度V0在置于水平面上的木板上滑行,木板静止,木板与木板,木板与桌面的动摩擦因数均为μ,木板质量为3m,则木板所受桌面给的摩擦力大小为多少?A μmg B](/uploads/image/z/12566855-47-5.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E6%9C%A8%E5%9D%97%E4%BB%A5%E5%88%9D%E9%80%9F%E5%BA%A6V0%E5%9C%A8%E7%BD%AE%E4%BA%8E%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%E7%9A%84%E6%9C%A8%E6%9D%BF%E4%B8%8A%E6%BB%91%E8%A1%8C%2C%E6%9C%A8%E6%9D%BF%E9%9D%99%E6%AD%A2%2C%E6%9C%A8%E6%9D%BF%E4%B8%8E%E6%9C%A8%E6%9D%BF%2C%E6%9C%A8%E6%9D%BF%E4%B8%8E%E6%A1%8C%E9%9D%A2%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%2C%E6%9C%A8%E6%9D%BF%E8%B4%A8%E9%87%8F%E4%B8%BA3m%2C%E5%88%99%E6%9C%A8%E6%9D%BF%E6%89%80%E5%8F%97%E6%A1%8C%E9%9D%A2%E7%BB%99%E7%9A%84%E6%91%A9%E6%93%A6%E5%8A%9B%E5%A4%A7%E5%B0%8F%E4%B8%BA%E5%A4%9A%E5%B0%91%3FA++%CE%BCmg++++++++++++++B)
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