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Thermodynamics is the branch of physics that deals with the relationships between heat, work, temperature, and energy.
The four laws of thermodynamics are:
Heat is the transfer of energy between two objects due to a difference in temperature. Temperature is a measure of the average kinetic energy of particles in a substance.
An example of the application of thermodynamics is the design and operation of a car engine. The burning of fuel inside the engine produces heat, which is converted into mechanical work to power the car.
Thermodynamics is involved in many everyday processes, such as cooking, heating and cooling systems, and electricity generation. It also helps to explain the efficiency of various systems and the direction of chemical reactions.