功是重要的物理概念之一,是学习动能定理、机械能守恒定律、功能原理的基础,在每年的高考中都占有重要的地位,但在实际的运用中经常出现以下几种错误类型:典型错误之一:错误地认为“人做功的计算”与“某个具体力做功的计算”相同 Work is one of the important physical concepts. It is the basis for learning the kinetic energy theorem, the law of conservation of mechanical energy, and the principle of function. It plays an important role in the annual college entrance examination. However, the following types of errors often appear in practical use: Typical errors One: Wrongly think that the “calculation of people doing work” is the same as the “calculation of a specific force work”