Dynamics Introduction 1. The subject of dynamics is the relation between the mechanical motion of a material body and the force acting on it. 2. Two models of mechanics. )A particle is a material body possessing mass, the shape and size of which can be neglected in investigating its motion
本章研究的主要问题是:恒定电流分布所激发的静磁场。 §3.1 矢势及其微分方程 Vector potential and differential equation §3.2 磁标势 Magnetic scalar potential §3.3 磁多极矩 Magnetic multipole moment