如下图所示从斜面上滚下的小球能推动平面上的木块前进一段距离最后小球和木块都静止对此现象下列说法中正确的是 A.小球和木块的机械 Template




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tomski如下图所示从斜面上滚下的小球能推动平面上的木块前进一段距离最后小球和木块都静止对此现象下列说法中正确的是 a.小球和木块的机械 coloring