This book is an introductory physics manual for the general public. It is divided into 33 chapters, covering everything from variables, motion to gravity; from light intensity, light reflection to spectral analysis; from endothermic effects, heat conduction to thermodynamics. The author points out that the various branches of physics have a unified and interdependent relationship. Therefore, for those who want to understand and learn physics, the first thing they should do is to review the basic elements of the entire discipline of physics and establish an overall understanding of physics. Only then can they truly learn physics well. The content of this book includes an introduction to the physical universe, methods of physical science, contour theory and its physical applications, matter in motion, properties of matter, gravity, properties of gases and liquids, theory of matter motion, etc. It systematically introduces the basic knowledge of physics. This book can be used as a physics quick reference manual to meet the learning and application needs of students and those with little knowledge of physics.
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