"Core Concepts of Mechanics and Thermodynamics" is a textbook designed for students and anyone interested in these crucial areas of physics. The book begins with the basics of mechanics, covering motion, forces, and energy, and then moves on to thermodynamics, discussing heat, temperature, and the laws of thermodynamics. The book emphasizes clear explanations and real-world examples to illustrate concepts, and it also provides problem-solving techniques to apply what you learn. It covers mechanics and thermodynamics from basic principles to advanced topics, explains concepts clearly with examples, teaches problem-solving techniques, connects theory to real-world applications in engineering, physics, and materials science, and includes historical context to show the development of these ideas. "Core Concepts of Mechanics and Thermodynamics" is a valuable resource for students, teachers, and self-learners. Whether you are beginning your journey or seeking to deepen your understanding, this book provides a solid foundation in these essential subjects.