摘要
利用旋转椭球模型和最小势能原理,研究桌面上水银液滴呈现球形的条件,结论是其半径小于毛细常数的五分之一.
The condition of a mercury drop showing sphericity on a desktop is studied by using the model of spberoid and principle of minimum potential energy. It concludes that its radius is less than one fifth of its capillaryconstant.
出处
《大学物理》
北大核心
2013年第8期12-14,共3页
College Physics
基金
国家自然科学基金项目(11247318
11005003)资助
关键词
水银液滴
表面张力
形状
最小势能原理
mercury drop
surface tension
shape
principle of minimum potential energy
