物理习题通常是用一定的文字、图形等形式给予叙述的,题意的叙述往往渗透着物理概念和物理规律等。通过解题,可以达到消化和掌握物理知识的目的。题意的表述有明有暗、也有题设条件。要准确无误巧妙地解答物理习题、就得抓住题目中的关键词语,同时,根据题设条件,选准解题的物理规律。这样,在解题过程中就不致于走弯路或出现差错了。 Physical exercises are usually given in narratives in the form of certain words, figures, etc. The narrative of the subject intention often permeates physical and physical laws. By solving problems, you can achieve the purpose of digesting and mastering physical knowledge. There are clear and dark statements, and there are also conditions for the title. To answer the physics problem accurately and skillfully, you must seize the keywords in the title. At the same time, according to the conditions, select the physical laws of the problem. In this way, there will be no detours or mistakes in the process of solving problems.