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叠加原理是分析复杂物理问题的一种常用方法,是一种化繁为简的工具。参与叠加的可以是矢量、矢量场、随时间变化的信号等对象。当涉及到矢量与矢量场时,叠加理解为矢量和,其它的叠加即为代数和。本文拟从高中物理中典型的标量与矢量叠加出发,通过实例探讨叠加原理的内涵,引导正确使用叠加原理解决物理问题,也为高三学生参加高校自主招生提供一种方法上的参考。
The principle of overlay is a common method of analyzing complex physical problems and is a tool that simplifies and simplifies. Participate in the superposition of the vector, vector field, the signal changes over time and other objects. When it comes to vector and vector fields, the overlay is understood as vector sum, the other overlays are algebraic sum. This paper starts with the typical scalar and vector superposition in high school physics. It explores the connotation of superposition principle by examples and guides the correct use of superposition principle to solve the physical problems. It also provides a methodological reference for seniors’ participation in college self-enrollment.