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功能关系是贯穿整个高中物理的一条主线,是我们解决实际问题的一条重要路径,也是高考的重点和热点问题,故在高考备考时有必要帮助学生作系统化的整理。一、正确理解功能关系的内涵功是能量转化的量度。有两层含义:第一,做功过程就是能量转化的过程;第二,做功的多少决定能量转化的数量,即功是能量转化的量度。做功是一个
Functional relationship is a main line that runs through the entire high school physics, and it is an important path for us to solve practical problems. It is also a key and hot issue for the college entrance examination. Therefore, it is necessary to help students organize systematically when preparing for college entrance examination. 1. Correct understanding of the connotation of functional relationships is a measure of energy conversion. There are two implications: First, the process of doing work is the process of energy conversion; second, the amount of work done determines the amount of energy conversion, that is, work is a measure of energy conversion. Doing work is a