Conservation of energy

Conservation of Energy is a fundamental concept in physics that states that the total amount of energy in an isolated system remains constant over time. This principle, also known as the First Law of Thermodynamics, implies that energy can neither be created nor destroyed, but can only be transformed from one form to another.

Overview

The principle of Conservation of Energy is based on the observation that the total energy of an isolated system is always conserved, regardless of the specific nature of the system or the processes it undergoes. This principle is a fundamental law of nature and is applicable to all physical and chemical processes.

History

The concept of energy conservation has been recognized since ancient times, but it was not until the 19th century that it was formally articulated by physicists such as James Prescott Joule and Julius Robert von Mayer. These scientists conducted experiments that demonstrated the convertibility of different forms of energy and established the principle of energy conservation as a fundamental law of physics.

Forms of Energy

Energy can exist in various forms, including kinetic energy, potential energy, thermal energy, chemical energy, electrical energy, and nuclear energy. The principle of energy conservation implies that the total amount of energy in an isolated system can change from one form to another, but the total energy remains constant.

Applications

The principle of energy conservation has numerous applications in various fields of science and engineering. For example, it is used in the analysis of electric circuits, in the design of heat engines, and in the study of chemical reactions. It is also used in the field of environmental science to analyze the flow of energy in ecosystems.

See Also

• First Law of Thermodynamics
• Second Law of Thermodynamics
• Energy
• Physics
• Chemistry

References

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  Gottfried Wilhelm Leibniz

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  Daniel Bernoulli

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  Émilie du Châtelet

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  Gaspard-Gustave de Coriolis

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  James Prescott Joule

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  Joule's Apparatus

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  Emmy Noether