Unit of energy measurement
is defined as the ability to do something, and energy is exploited in various ways through the use of equipment to convert it from one form to another without being destroyed or created.
Energy exists in many forms, including kinetic energy, thermal energy, electrical energy, chemical energy, and other forms.
Sources of energy are classified into natural sources or industrial sources, as there are many important sources of energy, including the sun, natural water resources, and fossil fuels such as coal, natural gas, and contribute to the study and knowledge of how to generate energy and how much is obtained It has to indicate the possibility of planning the way it is used and ensuring its preservation, as the percentages indicated a rise in energy production in the past 400 years, beginning of the Industrial Revolution.
After several studies, Einstein came up with an equation linking mass and energy, which was clarified by the physical equation 2^E=MC, which states that the energy of anybody is equal to the amount of its mass multiplied by the squared value of the speed of light, as the letter E, which is derived from the word Energy stands for energy, m stands for mass as it is derived from the word mass, while C stands for the speed of light.
The joule unit is the main unit of energy measurement used in the International System of Units, and the unit was named the joule after the English physicist James Prescott Joule, and one joule is equal to work done by a force by one newton over a distance One meter, and one joule equals 1 watt/second, that is, it is equal to the energy emitted in one second by a current of one ampere through a resistance of one ohm. Among the units used in energy:
The amount of energy from fossil fuel sources is as follows:
There are many types of energy, but they can be categorized into two types:
Potential energy has 4 forms:
Kinetic energy has 5 forms:
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