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“energies”
A property of matter that has the ability to make something happen through movement or a change in condition: These changes can be physical or chemical, and allow energy to be converted to another form, for example the chemical energy of fuel is converted into heat and then into mechanical energy in an engine.
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“energies”
The energy that a moving body possesses because of its motion: The kinetic energy of an object is dependent on its mass and the rate at which it is moving; equal to 1/2 mv2, where m is mass and v is velocity.
When something moves, it is said to have kinetic energy.
To make a moving car stop, all its kinetic energy must be converted into other forms by heating up the brakes, for example.
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Automobile or Related Car Terms
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Most physical systems contain stored, or potential, energy that can be turned into other kinds of useful energy at a later time: A car at the top of a hill has potential energy because of its position. It can turn its potential energy into kinetic energy by going down the slope.
This entry is located in the following unit:
Automobile or Related Car Terms
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