浅谈物体受力图绘制中的问题与对策

Brief Talk on the Problem and Countermeasure in Protracting Object's Free-body Diagram

绘制物体受力图的过程就是对物体进行受力分析的过程,学会画受力图是解决力学问题关键的一步。本文针对学生在物体受力图绘制中经常出现的问题,分析了原因,并提供了相应的对策。

Protracting object＇ s free - body diagram is a course of analysising object＇ s force from other object in fact. It is a crucial step in solving mechanics problem learning to draw object＇ s free -body diagram. This paper analysis causation and afford coutermeasures aiming at the problem.