变质量物体运动微分方程应用探讨  

Discussion on Differential Equation Application of Motion of Variable Mass

作　　者：江优良[1] 廖湘萍[1] 

机构地区：[1]湖南工业大学,湖南株洲412007

出　　处：《株洲工学院学报》2006年第6期25-27,共3页Journal of Zhuzhou Institute of Technology

摘　　要：对变质量物体的运动微分方程的应用进行了分析,指出其中受力F和微质量dm的速度u容易出现的错误,纠正了某些错误看法,并给出了用此类方法解题时的注意事项。After an analysis on the application of differential equation of motion of variable mass, the mistakes which may appear frequently in the speeds u^→ of the acceptor of the force F and the micro-quality are pointed out. Then some wrong viewpoints are corrected which appeared in some reference books. In addition, matters which need attention are addressed in this kind of application.

关 键 词：变质量运动 矢量 速度 力 

分 类 号：O313.2[理学—一般力学与力学基础]