laws of thermodynamics

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Laws describing the general direction of physical change in the universe; the first law of thermodynamics states the equivalence of heat and work and reaffirms the principle of conservation of energy; the second law of thermodynamics states that heat does not of itself pass from a cooler to a hotter body (another, equivalent formulation of the second law is that the entropy of a closed system can only increase); the third law of thermodynamics states that it is impossible to reduce the temperature of a system to absolute zero in a finite number of operations.

Subjects: Sports and Exercise Medicine — Environmental Science.

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