W2-S2 Moments and Center of Masses
周次: 2 日期: March 4, 2022 节次: 2 Outline In this lecture, we discuss moments ( 质量矩）and centers of mass. Two concepts are related. In this lecture, we only deal with one- and two-dimensional problems (Essentially all the problems been dealt with are in one-dimension). Basic Principle for Center of Mass and Moment Definition. (Center of Mass) For...