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a person walking, a thrown baseball, a crumb falling from a table

The three (3) things that need to be present for kinetic energy to be present are ;  

  • Motion ( velocity ),
  • Mass  and
  • Work done on object

Kinetic energy is a form of energy possessed by an object in motion is  determined primarily by the amount of work done, mass of the object, and the velocity of the object.

Kinetic energy is possessed only by an object in motion while an object at rest contains a potential energy and not a kinetic energy.

Hence we can conclude that the three things that need to be present for kinetic energy to be present are velocity, Mass and work done.

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