如图所示,质量为m的物体静止在倾角为θ的斜面上,物体与斜面间的动摩擦因数为u,使斜面体向右水平移动L求:(1)摩擦力对物体做的功;(2)斜面对物体的弹力做的功;(3)斜面对物体做
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![如图所示,质量为m的物体静止在倾角为θ的斜面上,物体与斜面间的动摩擦因数为u,使斜面体向右水平移动L求:(1)摩擦力对物体做的功;(2)斜面对物体的弹力做的功;(3)斜面对物体做](/uploads/image/z/3277045-37-5.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%E7%89%A9%E4%BD%93%E9%9D%99%E6%AD%A2%E5%9C%A8%E5%80%BE%E8%A7%92%E4%B8%BA%CE%B8%E7%9A%84%E6%96%9C%E9%9D%A2%E4%B8%8A%2C%E7%89%A9%E4%BD%93%E4%B8%8E%E6%96%9C%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%BAu%2C%E4%BD%BF%E6%96%9C%E9%9D%A2%E4%BD%93%E5%90%91%E5%8F%B3%E6%B0%B4%E5%B9%B3%E7%A7%BB%E5%8A%A8L%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89%E6%91%A9%E6%93%A6%E5%8A%9B%E5%AF%B9%E7%89%A9%E4%BD%93%E5%81%9A%E7%9A%84%E5%8A%9F%EF%BC%9B%EF%BC%882%EF%BC%89%E6%96%9C%E9%9D%A2%E5%AF%B9%E7%89%A9%E4%BD%93%E7%9A%84%E5%BC%B9%E5%8A%9B%E5%81%9A%E7%9A%84%E5%8A%9F%EF%BC%9B%EF%BC%883%EF%BC%89%E6%96%9C%E9%9D%A2%E5%AF%B9%E7%89%A9%E4%BD%93%E5%81%9A)
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