请问在水平面上作纯滚动的小球,其与地面接触点的水平加速度为0吗为什么? 知乎 Template




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Try and sketch some of theseSeal, Peacock, Quiver, Dishes, Highway, Jazz band, Wedding, Shoehorn, Dinner, Bathing suit, view more ideas


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tomski请问在水平面上作纯滚动的小球,其与地面接触点的水平加速度为0吗为什么? 知乎 coloring