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现行高中物理课本说:“经典力学只适用于解决物体的低速运动问题,不能用来处理高速运动问题,经典力学只适用于宏观物体,一般不适用于微观粒子。”那么,怎样的物体是宏观物体?怎样的运动属于低速运动呢?
The current high school physics textbook says: “Classical mechanics is only suitable for solving the problem of low-velocity motion of objects and cannot be used to deal with high-speed motion problems. Classical mechanics is only applicable to macroscopic objects and generally not applicable to microscopic particles.” So what kind of objects are macroscopic? What kind of motion is the object?