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半球面模型是高中物理习题中常见的模型之一,解决这类问题的关键是搞清半球面模型上物体的受力特征,进而确定物体的运动状
Hemispherical model is one of the common models in high school physics exercises. The key to solving this kind of problem is to understand the force characteristics of the object on the hemisphere model, and then determine the motion of the object.