What do you under stand by energy? Define its SI unit
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Explanation:
Energy can be defined as the ability to do work. The amount of energy possessed by a body is equal to the amount of work it do when its energy is released. Energy is a scalar qauntity. The SI unit of energy is Joule. The energy required to do 1 joule of work is called 1 joule energy.
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Energy is the capacity of a physical system to do work. The common symbol for energy is the uppercase letter E. ... A stationary object in a gravitational field, or a stationary charged particle in an electric field, has potential energy. Kinetic energy is observable as motion of an object, particle.
In physics, energy is one of the most important quantities that is studied. In fact, the law of conservation of energy (total amount of energy in a closed system stays the same) is a fundamental physical law.
MORE ABOUT ENERGY :
Energy is defined as the ability or capacity of doing any work.
If an object or organism does work (exert a force over a distance to move...