圆周运动是高考考查的内容之一,而水平转盘上物体的匀速圆周运动问题是水平面内匀速圆周运动的一类重要模型,高频出现于各类试题与资料中.为准确理解和掌握此类问题,笔者现结合高考题及其他例题特对有关问题剖析与拓展. Circular motion is one of the contents of college entrance examination examinations, while the horizontal turntable object uniform circular motion is an important type of circular motion in the horizontal surface of a class of important models, high frequency appeared in various questions and data.In order to accurately understand and master such Problem, I now combined with the college entrance examination questions and other examples of special analysis and expansion of the relevant issues.