force field definition
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- In the context of molecular modeling , a force field ( a special case of energy functions or interatomic potentials ; not to be confused with force field in classical physics ) refers to the functional form and parameter sets used to calculate the potential energy of a system of atoms or coarse-grained particles in molecular mechanics and molecular ...
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Force field analysis A useful tool. In a potential change situation a force field analysis can be an extremely useful tool for assessing the possibility and viability of a change initiative.
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Net force Force is a vector quantity, which means that it has a magnitude and a direction, and it is usually denoted using boldface such as F or by using an arrow over the symbol, such as. Graphically, a force is represented as line segment from its point of application A to a point B which defines its direction and magnitude.
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Field A field is any set of elements that satisfies the field axioms for both addition and multiplication and is a commutative division algebra. An archaic name for a field is rational domain. A field with a finite number of members is known as a finite field or Galois field.
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The Force The Force was an energy field that connected all living things in the galaxy. The power of the Force could be used by individuals who were sensitive to it, a power that was tapped through the...
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force field Region around a body in which it experiences an effect (force) due to the presence of another body. See also electromagnetic field. I could not penetrate the force field and I kept getting an electric shock every time I tried to enter it.
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- Use force field in a sentence. I could not penetrate the force field and I kept getting an electric shock every time I tried to enter it. You should try to have a force field set up when you go into a negotiation so that the other party can't rattle you.
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- We can define the strength of the gravitational field at any point as the force that field exerts on test body of unit mass. Since that force, F is the product of the mass m of the objects and its acceleration in the field, g, setting m = 1 kg will give field strength Fg = g N.kg -1. 4. Acceleration due to gravity.
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electric field strength Electric field strength is a quantitative expression of the intensity of an electric field at a particular location. The standard unit is the volt per meter (v/m or v · m -1). A field strength of 1 v/m represents a potential difference of one volt between points separated by one meter.Any electrically charged object produces an electric field. This field has an effect on other charged objects in the vicinity.he standard unit is the volt per meter (v/m or v · m -1). A field strength of 1 v/m represents a potential difference of one volt between points separated by one meter.
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What is Electromotive force (EMF)? How is it related to potential difference? Electromotive force. Electromotive force, also called emf (denoted E {\displaystyle {\mathcal {E}}} and measured in volts), is the voltage developed by any source of electrical energy such as a battery or dynamo. It is generally defined as the electrical potential for a source in a circuit.
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- Force Field Analysis is a method for listing, discussing, and assessing the various forces for and against a proposed change. It helps you look at the big picture by analysing all of the forces impacting on the change and weighing up the pros and cons.orce Field Analysis is a method for listing, discussing, and assessing the various forces for and against a proposed change. It helps you look at the big picture by analysing all of the forces impacting on the change and weighing up the pros and cons.
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Episode 408: Field strength and potential energy We thus define the electric field strength at a point in a field as: E = F/Q where E = electric field strength (N C -1). F = force on charge Q at that point if the field. Important notes: 1  The field strength is a property of the field and not the particular charge that is placed there.
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Contents: Electric Field vs Magnetic Field The area around a magnet within which magnetic force is exerted, is called a magnetic field. It is produced by moving electric charges. The presence and strength of a magnetic field is denoted by “magnetic flux lines”.
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Electromotive Force Definition Updated May 01, 2014. Electromotive Force Definition: Electromotive force is the electric potential generated by either a electrochemical cell or a changing magnetic field. Electromotive force is commonly denoted by the acronym emf, EMF or a cursive letter E. The SI unit for electromotive force is the volt. Also Known As: voltage, emf
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Electric Field and the Movement of Charge Electric field is a vector quantity whose direction is defined as the direction that a positive test charge would be pushed when placed in the field. Thus, the electric field direction about a positive source charge is always directed away from the positive source.
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Field (physics) In physics, a field is a physical quantity that has a value for each point in space and time. For example, on a weather map, the surface wind velocity is described by assigning a vector to each point on a map. Each vector represents the speed and direction of the movement of air at that point. As another example, an electric field can be thought of as a condition in space emanating from an electric charge and extending throughout the whole of space. When a test electric charge is placed in this electric field, the particle accelerates due to a force.
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Glossary of physics A magnetic field is the magnetic effect of electric currents and magnetic materials. The magnetic field at any given point is specified by both a direction and a magnitude (or strength); as such it is a vector field. The term is used for two distinct but closely related fields denoted by the symbols B and H, where H is measured in units of amperes per meter (symbol: A·m−1 or A/m) in the SI.
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Newton's Law of Gravity The gravitational field is defined as the force of gravity at a given point divided by the mass of an object at that point, as depicted to the right.You'll notice that here both g and Fg have arrows above them, denoting their vector nature. The source mass M is now capitalized.he gravitational field is defined as the force of gravity at a given point divided by the mass of an object at that point, as depicted to the right.
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depth of field depth of field. Definition: Measure of zone or distance over which any object in front of lens will appear acceptably sharp: it lies in front of and behind the plane of best focus.
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Electric Field Electric Field Electric field is defined as the electric force per unit charge. The direction of the field is taken to be the direction of the force it would exert on a positive test charge.
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force field Use force field in a sentence. I could not penetrate the force field and I kept getting an electric shock every time I tried to enter it. 20 people found this helpful. You should try to have a force field set up when you go into a negotiation so that the other party can't rattle you. 19 people found this helpful. Due to the invisible force field surrounding the spaceship, enemy artillery was unable to do any damage to the spaceship.
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Glossary of physics A magnetic field is the magnetic effect of electric currents and magnetic materials. The magnetic field at any given point is specified by both a direction and a magnitude (or strength); as such it is a vector field. The term is used for two distinct but closely related fields denoted by the symbols B and H, where H is measured in units of amperes per meter (symbol: A·m −1 or A/m) in the SI.
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Motion Control Made Easy!Leaders in Motion Control Since 1966!800-345-9401 | Log In | Register | View Cart | EMF refers to voltage generated by a battery or by the magnetic force according to Faraday's Law, which states that a time varying magnetic field will induce an electric current. Electromotive force is not a force (measured in newtons) but a potential, or energy per unit of charge, measured in volts. Formally, emf is the external work expended per unit of charge to produce an electric potential difference across two open-circuited terminals.
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Glossary of Magnetic Terms MAGNETIC LINES OF FORCE: A series of invisible lines passing from one pole to another of a magnet, which taken together form the magnetic field. MAGNETIC ORIENTATION: Determines the magnetic polarity and position of one magnet pole to the other.
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What does field mean in physics? Field refers to a region (in space) most likely under the influence of a force (electric field, magnetic field, gravitonal field), i.e. where a test particle (test charge, test pole or test mass respectively) would experience a significant (measurably greater than zero but comparablto to the magnitudes known) force and hence have a non zero ...
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Definitions of Terms for RF and EF Electromagnetic Fields Table of Electromagnetic Radiation Frequencies by Type of Source Definition of EMF-an EMF or electromagnetic field is the field or area of force caused by movement of an electrical charge and containing some amount of electromagnetic energy. Definition of EMR-Electromagnetic radiation, or electromagnetic radio frequency radiation EMFR. Extremely high frequency-EHF is defined as billions of cycles per second, and is the highest radio frequency band, extending from 30 to 300 GHz. or in wavelength size, waves are 1-10 mm or millimeters, also abbreviated MMW or mmW. Microwaves are an example.