摘要
本文讨论如何正确运用摩擦关系式，以避免因摩擦力方向处理不当而出现各种常见的错误．
In this paper,we discuss how to apply the relations of friction correctly toavoid frequent mistakes which are due to incorrect treatments of the directions of thefrictional forces.
出处
《云南民族大学学报（自然科学版）》
CAS
1994年第1期24-27,23,共5页
Journal of Yunnan Minzu University:Natural Sciences Edition
关键词
摩擦力方向
摩擦关系式
静止
滑动
自锁
direction of frictional force, relation of friction,rest,slide, self-lock-ing
