The difference between college physics 123 and college physics 123 lies in the different course content and learning focus. College Physics 1 mainly focuses on mechanics, fluid mechanics, relativity, college physics 2 focuses on vibration and wave science, heat, and college physics 3 focuses on electromagnetism.
College Physics 3 is a book about physics learning published by Tsinghua University Publishing House, and College Physics 2 is a book published by Beijing University of Posts and Telecommunications Press on 20 10. College physics is a basic course of university science and engineering. It can be used as teaching materials and reference books for non-physics majors in colleges and universities, and can also be used as teaching materials for various majors in higher vocational education.