What is energy.The energy which exists in what may provide the labor. The English language is called Energy is active for a period of time or distance one. The value is in joules (Joule)Examples of energy-electrical energy in batteries include: The chemical energy in food. The thermal energy of the water heater or the potential energy of water over the dam.Energy can change from one format to another format, go into the. By energy conservation rules specify that in a closed system, then. All energy components of energy--there will be always constant.The energy that this can't be undone except that will transform the energy in the other format. For example, theThe light energy from the sun into energy as electrical household (using solar cells).Change the energy accumulated in the water stored in the dam (potential energy) as a power driven Dynamo (kinetic energy) of the power plant.And there are also many other forms of energy that we can use it, but have not yet been implemented or have not yet been invented, such as the energy from the nuclear fusion power plant, etc.
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