define energy and write its different form ?
Answers
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.[note 1] 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 SI unit of energy is the joule, which is the energy transferred to an object by the work of moving it a distance of 1 metre against a force of 1 newton.Examples of these are: light energy, heat energy, mechanical energy, gravitational energy, electrical energy, sound energy, chemical energy, nuclear or atomic energy and so on. ... Although there are many specific types of energy, the two major forms are Kinetic Energy and Potential Energy.
What is Energy?
It is a term of Physics that is defined as the property that must be transferred to an object in order to perform work on- or to heat- the object and can be converted in form, but not created or destroyed. In simple terms, it is the ability to do work or to cause change or the capacity of a physical form to perform work.
Types of Energy
Thermal or Heat: Thermal energy is nothing but energy that an object possesses or a system possesses due to the movement of particles within the object or the system. The energy is pushed into motion by using heat; e.g. fire in your fireplace, a hot cup of tea.
Chemical: Chemical Energy is something that is stored in the bonds of chemical compounds (atoms and molecules). It is then released in the form of a chemical reaction, which produces heat as a by-product (exothermic reaction). The energy is caused by chemical reactions, for e.g. food when it is being cooked, the glucose in our bodies.
Electrical: Electrical energy is stored in charged particles inside an electric field. Electric fields are basically areas that surround a charged particle. The energy happens when electricity creates motion, light or heat. For e.g. the electric coils on your stove.
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