如图所示水平面上的物体受水平�右大小为f的拉力作用物体处于静止状态.如果改用大小仍为f水平�左的力推物体则 A.物体处于静止状态 Template




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tomski如图所示水平面上的物体受水平�右大小为f的拉力作用物体处于静止状态.如果改用大小仍为f水平�左的力推物体则 a.物体处于静止状态 coloring