principle of moments The principle that, when a system of coplanar forces acts on a body and produces a state of equilibrium, the sum of the moments of the forces about any point in the plane is zero.
principle of moments
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。