简捷推导均质三角形边框刚体绕质心轴的转动惯量  

Simple derivation of the rotation inerita of a rigid triangular frame about its center-of-mass axis

作　　者：李力[1] 

机构地区：[1]重庆清华中学,重庆400054

出　　处：《大学物理》2013年第5期19-19,43,共2页College Physics

摘　　要：用物理方法快速确定均质三角形边框刚体的质心位置,并以简捷运算推出均质三角形边框刚体绕质心轴的转动惯量公式.By using physical methold, the center of mass of an arbitrary rigid triangular frame and simple operation of the rotation inertia of a rigid triangular frame about its center-of-mass axis are determined quickly.

关 键 词：刚体 转动惯量 三角形 边框 质心 简捷推导 

分 类 号：O313.3[理学—一般力学与力学基础]