摘要
本文从普通物理力学的角度简述了处理“变质量”问题的基本方法及条件,同时对“变质量”问题中内力做功作了一定程度的讨论。
From the viewpoint of mechanics in genenal physics the paper describes the basic method and conditionns in treatment of variable mass and in the meantime it also gives some discussion of applying work of internal force about the variable mass.
出处
《曲靖师范学院学报》
1990年第2期32-35,共4页
Journal of Qujing Normal University
关键词
“变质量”主体质量
添加质量
合外力
内力做功
variable mass
main body mass
additive mass
resultant external foree
ap-plying work of internal force
