Question

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Answer 1

Conversion of energy describes that energy cannot be created or destroyed, when work is done, energy is changed from one form to another.

• An example of conversion of energy is when a book is on a shelf it has gravitational potential energy, if it falls of the shelf it will have kinetic energy.

Though due to the process through which energy transfers take place not being 100% efficient, energy is sometimes lost to the surrounding and energy gets more spread out, air resistance and friction.

Some types of energy:

1. Gravitational
2. Kinetic energy
3. Strain energy
4. Nuclear energy
5. Internal Energy
6. Sound energy
7. Electric energy.

Answer 2

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The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside. ... The only way to use energy is to transform energy from one form to another.