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what are both parts of the law of conservation of energy?

easy

Explanation:

In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. This law means that energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another.

-  Energy is not created or destroyed

- Energy only transforms

Explanation:

Law of conservation of energy. It constitutes the first principle of thermodynamics and states that the total amount of energy in any isolated system (without interaction with any other system) remains unchanged over time, although such energy can be transformed into another form of energy.

The law of conservation of energy states that nothing exists and can not exist capable of generating energy, there is neither can exist anything capable of making energy disappear and finally if it is observed that the amount of energy varies, it will always be possible to attribute said variation to an exchange of energy with some other body or with the surrounding environment.

Energy is the ability of bodies or systems of bodies to perform a job. Every system that passes from one state to another produces physical or chemical phenomena that are nothing more than manifestations of some transformation of energy, since this can occur in different forms: kinetic, potential, electrical, mechanical, chemical. Whenever an amount of one class of energy is produced, an exactly equivalent amount of another class or classes should be consumed.

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