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Energy definition, the capacity for vigorous activity available power I eat chocolate to get quick energy. See more..English Language Learners Definition of energy. ability to be active the physical or mental strength that allows you to do things. natural enthusiasm and effort. usable power that comes from heat, electricity, etc..Energy. In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conserved quantity the law of conservation of energy states that energy can be converted in form, but not created or destroyed..The general meaning of energy is the ability to be active. If you have a lot of energy, it means you like to be active. If you plan a low energy day, it means a day of .Energy, in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms. There are, moreover, heat and worki.e., energy in the process of transfer from one body to another. For example, any given body has kinetic energy if it is in motion..Energy definition Energy is the ability and strength to do active physical things and the feeling that you | Meaning, pronunciation, translations and examples..Discover the definition of energy in physics, other sciences, and engineering, with examples of different types of energy..Energy meaning . the power and ability to be physically and mentally active . the total of all your power and ability to be mentally and physically active . the .

An exertion of such power She plays tennis with great energy. the habit of vigorous activity vigor as a characteristic Foreigners both admire and laugh at American energy. the ability to act, lead others, effect, etc., forcefully..The kids are always so full of energy. They devoted all their energy to the completion of the project. They devoted all their energies to the completion of the project. She puts a lot of energy into her work. The newer appliances conserve more energy..Energy is defined as the capacity of a physical system to perform work. However, it’s important to keep in mind that just because energy exists, that doesn’t mean it’s necessarily available to do work. Other forms of energy may include geothermal energy and classification of energy as renewable or .Activation energy, energy of activation the energy that an atomic system must acquire before a process such as an emission or reaction can occur “catalysts are said to reduce the energy of activation during the transition phase of a reaction”.Similarly, nuclear energy is potential energy because it results from the configuration of subatomic particles in the nucleus of an atom. Energy can be neither created nor destroyed but only changed from one form to another. This principle is known as the conservation of energy or the first law of thermodynamics. For example, when a box .Energy assumes several forms it may be thermal in the form of heat , electrical, mechanical, chemical, radiant, or kinetic. In doing work, the energy is changed from one form to one or more other form s . In these changes some of the energy is “lost” in the sense that it cannot be recaptured and used again..Energy derived from the Sun’s radiation. Passive solar energy can be exploited through architectural design, as by positioning windows to allow sunlight to enter and help heat a space. Active solar energy involves the conversion of sunlight to electrical energy, especially in solar photovoltaic cells..Definition of energy Measure of the ability of a body or system to do work or produce a change, expressed usually in joules or kilowatt hours kWh . No activity is possible without energy and its total amount in the .Energy is the capacity of a physical system to do work. The common symbol for energy is the uppercase letter E. The standard unit is the joule, symbolized by J..

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