Final answer:
Gravitational potential energy is the energy an object has due to its position above Earth's surface, with examples provided for better understanding.
Explanation:
Gravitational potential energy is the form of energy an object has due to its position relative to Earth's surface. It is the energy stored in an object because of its vertical position or height. As an object is raised above the ground, work is done against gravity, storing potential energy within the object.
Examples:
- An apple on a tree branch has gravitational potential energy due to its height above the ground.
- A roller coaster car at the top of a hill possesses gravitational potential energy.
- When the apple falls or the roller coaster car descends, the potential energy is converted into kinetic energy as they move towards the ground.
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