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Question

Define Potential energy. Give two examples of potential energy.


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Solution

Definition of potential energy

Potential energy is the energy held by an object because of its position relative to other objects, and shape.

Different forms of potential energy

  1. Gravitational Potential Energy
    • when a body is at a particular position the body possesses gravitational potential energy.
  2. Elastic Potential Energy
    • when a body changes its configuration, the body possesses elastic potential energy.

Unit

The SI unit of potential energy is Joule (J).

Examples of Potential energy

  1. A truck parked at the top of a mountain.
  2. A stretched rubber band.

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