# potential energy

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## 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

The energy possessed by a body or system by virtue of its position or configuration. It is equal to the work done by the system changing from its given state to some standard state. In a gravitational field, a mass m placed at a height h above a standard level (say the surface of the Earth) has potential energy mgh, where g is the acceleration of gravity.

## Potential Energy

the part of the total mechanical energy of a system that depends on the relative positions of the particles making up the system and on the positions of the particles in the external force field, such as a gravitational field. The potential energy of a system in a given position is numerically equal to the work that the forces acting on the system perform when the system is shifted from this position to a position in which the potential energy is arbitrarily assumed to be equal to zero.

It follows from this definition that the concept of potential energy holds only for conservative systems, that is, systems in which the work of the acting forces depends only on the initial and final positions of the system. Thus, for a weight P raised to a height h, the potential energy will be equal to Ph; it will be equal to zero when h equals zero. For a weight attached to a spring, the potential energy will be 0.5cλ2, where λ is the elongation or compression of the spring and c is the spring’s stiffness. Again, the energy is zero when λ is zero. For two particles with masses m1 and m2, attracted according to the law of universal gravitation, the potential energy is —fm1m2/r, where f is the gravitational constant and r is the distance between the particles. In this case, the energy is zero when r = ∞. The potential energy of two point charges e1 and e2 is calculated in a similar manner.

S. M. TARG

## 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.
References in periodicals archive ?
There is an increase in latent energy of the air due to the irrigation system for plant growth.
In every instance of change, latent energy is converted to kinetic energy and potential into active.
This is not so much an interpretation of the poem itself as a reflection on how Mallarme anticipated the fluidity that modern media have made possible and how the use of such a presentation could release a latent energy within the work by clarifying internal relationships and expanding the use of the blank space Mallarme felt essential to his work.
Latent energy recovered Flux per unit of Flux per unit of heat Profile type kiln wall surface area exchanger surface area (J[s.
I thought that solar radiation absorbed by plants was for photosynthesis, resulting in a transfer of radiant energy from the sun to the latent energy of plant tissue, thus reducing the amount of radiant energy available for heat.
The task is to turn that latent energy into kinetic energy that performs the real work of process improvement.
They love to learn, have a lot of latent energy, and are not fearful.
The BlackLight Process, the power source, is the process of releasing the latent energy of the hydrogen atom.
Muscat, Sept 26 (ONA) The Latent Energy of Human Resources conference ofOman Oil Refineries & Petroleum Industries Company ( Orpic )will be held next Tuesday at Al Bustan Palace Hotel under the auspices of Sheikh Khalid bin Omar al-Marhoon, Minister of Civil Service.
It is essential to get latent energy recovery since the latent cooling load is much higher than the sensible load.
Thermal energy is stored primarily as latent energy through the heat of fusion associated with phase change of the encapsulated PCM.
6[degrees]F) and is no longer discharging latent energy overnight.

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