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Everyday examples of energy stores

Principles of energy • Energy stores and changes

Key concepts

What you'll likely be quizzed about

  • Gravitational energy is the energy stored in an object due to its height above the ground.
  • The higher an object is lifted, the more gravitational energy it possesses.
  • For example, a book on a shelf has more gravitational potential energy than one on the floor.
  • When the book falls, this energy is converted into kinetic energy as it moves downward.

Flashcards

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What is an example of chemical energy?

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Gasoline contains chemical energy, released during combustion to power engines.

Key notes

Important points to keep in mind

Higher positions mean greater gravitational energy.

Elastic materials release energy when returned to their original shape.

Chemical reactions transform stored energy into useful forms.

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