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在初中教学中经常遇到一些流体力学的问题,这一部分问题大纲要求不高,所以教材中讲的不十分透彻。但在学习过程中经常有一些基础好、兴趣浓的学生提出许多问题,同时在初中教学过程中,在讲解托里拆利实验和连通器原理时,有许多同学提出疑问。如果在液体内部适当的位置选一个质量可以忽略的、
In the teaching of junior high school, we often encounter some problems in fluid mechanics. This part of the problem outline is not very demanding, so the teaching materials are not very thorough. However, in the learning process, there are often many students who have a good foundation and interest. Many questions are raised. At the same time, in the teaching process of junior high school, when explaining the principles of the Torrey Demolition experiment and the connected device, many students raised questions. If you choose a negligible amount in the proper position inside the liquid,