浅析画好受力图的十大原则

A Brief Discussion on the Ten Principles of Making Object's Free-body Diagram

受力图的引入,不仅形象直观地表达了研究对象的受力情况,也为我们研究力学问题提供了一种分析方法,画好受力图是解决力学问题的前提和关键,通过研究如何画好受力图,总结出必须遵循的十条原则。

The diagram of free＇body not only shows the stress condition of the study object symbolically, but also provides a kind of analytical method for researching mechanics problems. It is the precondition and key to solve mechanical problems. Ten followed principles are summarized by investigating how to making object＇s free-body diagram.