也谈桌边滑链的飞离问题  

ON THE FLYING-OFF PROBLEM OF CHAINS SLIDING BY THE TABLE EDGE

作　　者：汤幼强 黄亦斌 TANG Youqiang;HUANG Yibin(No.1 Middle School in Liantang,Nanchang,Jiangxi 330200;Jiangxi Normal University,Nanchang,Jiangxi 330031)

机构地区：[1]南昌县莲塘第一中学,江西南昌330200 [2]江西师范大学,江西南昌330031

出　　处：《物理与工程》2020年第4期73-76,共4页Physics and Engineering

摘　　要：本文仔细研究了三种代表性情形下桌边滑链的飞离问题,给出了详细讨论这类问题的框架。结果表明链条是可能飞离桌面的。In this paper,we study the the flying-away problem of chains sliding by the table edge in three typical cases,and give a detailed framework to discuss this kind of problem.The results show that it is possible for the chains to fly off the table.

关 键 词：链条 变质量系统 微元法 飞离 

分 类 号：G634.7[文化科学—教育学]