Thermodynamics is the branch of physics that deals with the relationship between heat, work, and energy. It explores the behavior of matter and energy in systems that undergo changes in temperature, pressure, and volume.
Thermodynamics is concerned with fundamental concepts such as temperature, entropy, and energy, and their relationships to each other. It also includes laws and principles that govern the behavior of thermodynamic systems, such as the first and second laws of thermodynamics.
Thermodynamics has many practical applications, including in the design and optimization of engines, refrigeration systems, and power plants. It is also important in materials science, chemistry, and environmental science, where it is used to understand and predict the behavior of complex systems.