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potential energy |
Also found in: Medical, Wikipedia, Hutchinson | 0.03 sec. |
potential energyEnergy stored by an object by virtue of its position. For example, an object raised above the ground acquires potential energy equal to the work done against the force of gravity; the energy is released as kinetic energy when it falls back to the ground. Similarly, a stretched spring has stored potential energy that is released when the spring is returned to its unstretched state. Other forms of potential energy include electrical potential energy, chemical energy, and nuclear energy. potential energy the energy of a body or system as a result of its position in an electric, magnetic, or gravitational field. It is measured in joules (SI units), electronvolts, ergs, etc. potential energy [pə′ten·chəl ′en·ər·jē] (mechanics) The capacity to do work that a body or system has by virtue of its position or configuration. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| An add-on power unit that delivers stored energy to the machine at start-up as a means to cut power demand is new from Battenfeld of America, South Elgin, III. While petro-chemicals are used in the production of plastic, seemingly a disadvantage, it also means that plastic scrap "is stored energy," said Underwood, who pointed out that one ton of plastic material contains the energy equivalent of eight barrels of oil. The wheel's stored energy, or rotational inertia, keeps it turning at a roughly constant speed, despite the unevenness of the pedaling. |
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