Kinetic Energy Facts

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Kinetic energy is one of two main types of energy. When something is in motion, it has kinetic energy. Wind and water are examples of things with kinetic energy because they are moving. Electricity is also a form of kinetic energy. Kinetic energy includes many forms of movement such as vibrations and rotations.

Related Kinetic Energy Facts:

  • Kinetic energy can occur in any direction whether up and down or left to right.
  • When an objects’ speed doubles, its kinetic energy quadruples.
  • An object keeps the same amount of kinetic energy unless it speeds up or slows down.
  • Most kinetic energy begins as a different kind of energy and is converted.
  • The unit used when measuring kinetic energy is called a joule.
  • The faster an object moves, the more kinetic energy it has.
  • Translational kinetic energy depends on motion through space and rotational kinetic energy depends on motion centered on an axis.
  • In order for an object to gain kinetic energy, work has to be done to the object.
  • Kinetic energy can be calculated for any moving object as long as the objects’ mass and speed are known.
  • When an objects’ mass doubles, its kinetic energy also doubles.
  • The word kinetic comes from the Greek word kinesis which means motion.
  • When an object collides with another object, it transfers its kinetic energy to the other object
  • As a car on a roller coaster goes up hill, it loses kinetic energy.
  • Although the concept of kinetic energy dates back to the days of Aristotle, Lord Kelvin is given the credit for first using the term around the year 1849.
  • There are two main types of kinetic energy: translational and rotational.


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