摘要
在求解有摩擦刚体平衡问题时，借助摩擦角和全反力的概念，应用三力平衡汇交定理．有时会更方便。
When solving the balance problems of frictional rigid body, the concepts of frictional angle and total antiforce are introduced to make the solution easier by applying the three- force balance intersecting principle.
出处
《重庆师范大学学报（自然科学版）》
CAS
2000年第S1期124-126,共3页
Journal of Chongqing Normal University:Natural Science
关键词
全反力
摩擦角
平衡
临界状态
极值
total antiforce
frictional angle
balance
critical state
extreme value
