重申“位置-时间关系”本质内涵的必要性——兼谈“坐标系意识”淡化的隐忧  

The Necessary of Restating the Essential Connotation of Position-time Relationship--Also on the Hidden Worry of Coordinate System Consciousness Fading

作　　者：杨振东 高寒萱 Yang Zhendong;Gao Hanxuan(College of Physics and Technology,Guangxi Normal University,Guilin,Guangxi 541004)

机构地区：[1]广西师范大学物理科学与技术学院,广西桂林541004

出　　处：《物理通报》2021年第10期130-133,共4页Physics Bulletin

摘　　要：当前物理教学中,用符号x表示位移的做法造成了对“位置”本原内涵的遮蔽,往往容易引发学生的困惑.重申“位置-时间关系”的本质内涵,并就两个实际问题为例指出其作用.教学中重“位移”轻“位置”的行为可能会带来“坐标系意识”淡化的危险,对其中的几点隐忧作出讨论.In the current physics teaching,the practice of denoting displacement with symbol x has caused the concealment of the original connotation of"position",which often leads to students'confusion in teaching.The essence of"position-time relationship"is restated,and its function is pointed out by taking two practical problems as examples.The behavior of emphasizing"displacement"rather than"position"in teaching may lead to the danger of"coordinate system consciousness"fading,and discussed several hidden concerns.

关 键 词：坐标系 直线运动 运动学方程 

分 类 号：G633.7[文化科学—教育学]