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.
出处
《大学物理》
北大核心
2013年第5期19-19,43,共2页
College Physics
关键词
刚体
转动惯量
三角形
边框
质心
简捷推导
rigid
rotation inertia
triangle
frame
center of mass
simple operation
