Physics and sports are intimately connected. Continuing our "language of physics" analogy, let's focus on some of the basic "words" we can create with our 4 letter alphabet. The behaviour of a bar magnet with its magnetic field concentrated at its north-seeking and south-seeking poles. either of the two regions or parts of an electric battery, magnet, or the like, that exhibits electrical or magnetic polarity. Against Gravity. Either of the points at which an axis that passes through the center of a sphere intersects the surface of the sphere. pole in. the place at which a cell extension or process begins, as a nerve cell axon or a flagellum. Published by Houghton Mifflin Company. North Pole synonyms, North Pole pronunciation, North Pole translation, English dictionary definition of North Pole. the point on the sphereical surface of mirror through which principal axis passes is called as pole of the concave mirror. English cardinal and last Roman Catholic archbishop of Canterbury. The frequency of the electrical output, measured in hertz (cycles per second) is therefore equal to the…, …flux that emerge from north-seeking magnetic poles and enter south-seeking magnetic poles. pole1 /pəʊl \$ poʊl/ W3 noun [ countable] 1 stick/post. physics. Magnetism. He has a Masters in Education, and a Bachelors in Physics. A magnet has an invisible magnetic field surrounding it and two ends called poles. Unlike poles of different magnets attract each other; like poles repel each other. Pole vaulting is an athletics event in which a person uses a long flexible pole as an aid to jump over a bar. pole. ... having an indicated pole (as the distinction between positive and negative electric charges) ... Freebase (3.33 / 3 votes) Rate this definition: Polarity. All rights reserved. The density of the lines indicates the magnitude of the magnetic field. F = PA. Magnetism, phenomenon associated with magnetic fields, which arise from the motion of electric charges. direction determined from the north pole of a compass; strength proportional to the … a long slender usually round piece of wood, metal, or other material, the piece of timber on each side of which a pair of carriage horses are hitched, one of a number of markers placed at intervals of one sixteenth of a mile along the side of a racecourse, the part of a mast between the head and the attachment of the uppermost shrouds, to set out (an area of land or garden) with poles, to support (a crop, such as hops or beans) on poles, to deoxidize (a molten metal, esp copper) by stirring it with green wood, either of the two antipodal points where the earth's axis of rotation meets the earth's surface, either of the two regions at the extremities of a magnet to which the lines of force converge or from which they diverge, either of two points or regions in a piece of material, system, etc, at which there are opposite electric charges, as at the two terminals of a battery, an isolated singularity of an analytical function, either end of the axis of a cell, spore, ovum, or similar body, either end of the spindle formed during the metaphase of mitosis and meiosis, the point on a neuron from which the axon or dendrites project from the cell body, either of two mutually exclusive or opposite actions, opinions, etc, the origin in a system of polar or spherical coordinates, having widely divergent opinions, tastes, etc, a native, inhabitant, or citizen of Poland or a speaker of Polish. The passions and the heart he had found intelligible and much the same from Indus to the Pole. E.g. Pole is the geometrical center of convex or concave mirror where the principal axis meets the … For any positive integer n, = (−)! adj., adj ion´ic. By rearranging the definition of pressure to solve for force, we see that. If the two poles are connected by a conductive path such as a wire, electron s flow from the negative pole toward the positive pole. The forces acting on an individual dancer create a push-pull relationship between the dancer and the surrounding space. Magnetic pole strength definition in physics How hard is it to change mos in the army Two different vectors are in use to represent a magnetic field: one called magnetic flux density, or magnetic induction, is symbolized by B; the other, called the magnetic field … either of two points or regions in a … Science. ‘But the Transport Research Laboratory has been working on a breakable fence with metal pins between the pole and support.’ ‘The piece is based on a flock of birds in flight - long white poles support wing-shaped metal triangles in a curved line which echoes the movement of a flock.’ pole definition: 1. a long, thin stick of wood or metal, often used standing straight up in the ground to support…. Definition. 1. In particle physics, a magnetic monopole is a hypothetical elementary particle that is an isolated magnet with only one magnetic pole (a north pole without a south pole or vice versa). Our editors will review what you’ve submitted and determine whether to revise the article. Afterwards the chiefs told the criers to tell the people that when Pole was completed they should see it. Each half is found to have its own north and south poles. Your other four fingers should curl around the pole a certain way, and whatever way it is curling is the direction the conventional current is going. The system is based on the proposition that there exists a "pole" at each end of a magnet, and that point poles repel each other according to … Published by Houghton Mifflin Harcourt Publishing Company. A magnetic monopole would have a net "magnetic charge". n. 1. There are rocks that attract other rocks, but only if they're of the right kind 2. English loves putting words together to make new ones. Both political parties, and the President, have moved too close to the “standing alone” pole. Polar molecules also form when the spatial arrangement of chemical bonds leads to a more positive charge on one side of the molecule than the other. Table #4. The Most Surprisingly Serendipitous Words Of The Day. a long, cylindrical, often slender piece of wood, metal, etc. Carl had to go to the very top of the pole, and then had some difficulty in tearing her from her hold. In physics, the theoretical direction of current flow is considered to be from positive to negative by convention, opposite to the flow of electrons. From Longman Dictionary of Contemporary English. Principal axis is the imaginary central line at the center of the sphere forming the diameter of the sphere as shown in figure. Either of the regions contiguous to the extremities of the earth's rotational axis, the North Pole or the South Pole. 1. Force of magnetic field: the force exerted by a magnetic field Attraction of magnets for iron: the phenomenon of physical attraction for iron, inherent in magnets or induced by a moving electric charge or current A general… These words will define some basic elements in physics. Either of the two points at the extremities of the axis of an organ or body. The magnetic force between a pole of one long bar magnet and that of another was described by an inverse square law as early as 1750. Some of the shore folk said it was icebergs that the shipmen saw; but icebergs never sailed so far from the pole, they answered. the north pole of a magnet is a region from which lines of magnetic flux emanate. Magnetic pole, region at each end of a magnet where the external magnetic field is strongest. The pole is usually represented by the letter P. Centre of curvature: Still, even though we don't have a formal definition of the magnetic field there's no reason why an informal definition can't suite us for a while. These poles are actually the positive and negative poles of the Earth's giant magnet. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. A north pole, then, feels a force in the direction of the H-field while the force on the south pole is opposite to the H-field. Angle of incidence is the angle formed by a ray or wave incident on a surface and a line perpendicular to the surface at the point of incidence. The north pole points toward Earth's north magnetic field. Pole: The centre of the spherical surface of the mirror, is called the pole of the mirror. It lies on the surface. It lies on the surface of the mirror. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Thus, The south pole points toward the Earth's south magnetic field. It can be an electric current in a conductor or charged particles moving through space, or it can be the motion of an electron in an atomic orbital. It lies on the surface of the mirror. Dipole Moment Definition … For gravity it is mass and for electricity it is charge. Pole: It is a region of a magnetic field where the force is strongest. It is what we assume according to our convenience. a unit of length equal to 16½ feet (5 meters); a rod. A great many AC and DC machines can be called "n-pole motors", where "n" is an even number of poles (2,4,6,8,etc). The American Heritage® Idioms Dictionary Physics: It is the branch of science concerned with the ultimate laws that govern the structure of the universe and the forms of matter and energy and their interactions. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Breaking a magnet in two does not isolate its north pole from its south pole. E.g. Basic ideas that even young children now know. to make (an extra-base hit) by batting the ball hard and far: to stir (molten metal, as copper, tin, or zinc) with poles of green wood so as to produce carbon, which reacts with the oxygen present to effect deoxidation. This is because every sport’s discipline depends on the ability of an athlete to exercise a force, and a force is one of the key elements of Newton’s laws of motion and other elementary physics concepts. . Positive pole definition is - the terminal of a voltaic cell or storage cell that is connected to the positive plate. And, most important, a fireman's pole, so the girls can rub their muffs. noun the region of a magnet toward which the lines of magnetic induction converge (south pole) or from which the lines of induction diverge (north pole). This flow of charge carriers constitutes an electric current . a line perpendicular to a crystal face and passing through the crystal center. In mathematics, the gamma function (represented by , the capital letter gamma from the Greek alphabet) is one commonly used extension of the factorial function to complex numbers.The gamma function is defined for all complex numbers except the non-positive integers. The basic physics of pole vaulting is simple to explain. One complete sine wave is induced in the stator coil for each revolution of the rotor. Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. . The sum of these effects may cancel so that a given type of atom may not be a magnetic dipole. Indeed, magnetic forces themselves also fundamentally arise between electric charges when they are in motion. We Asked, You Answered. The American Heritage® Stedman's Medical Dictionary Either extremity of an axis through a sphere. magnetic pole synonyms, magnetic pole pronunciation, magnetic pole translation, English dictionary definition of magnetic pole. In physics, magnetism is one of the phenomena by which materials exert attractive or repulsive forces on other materials. that part of a mast between the uppermost standing rigging and the truck. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Definition of pole (Entry 3 of 5) 1 : either extremity of an axis of a sphere and especially of the earth's axis. A bar magnet suspended in Earth’s magnetic field orients itself in a north–south direction. 2. It seems to me that both sides need to move toward the “staying connected” pole. The American Heritage® Science Dictionary State the law of poles (electric) or 2. We can find the force exerted from the definition of pressure given in $P=\frac{F}{A}\\$, provided we can find the area A acted upon. An athletics event in which a person uses a long slender usually cylindrical object ( such as reference! Random directions what you ’ ve submitted and determine whether to revise the article cell, or any similar,! Houghton Mifflin Harcourt Publishing Company right ” Mean Liberal and Conservative axis the... Have moved too close to the origin in the Arctic Ocean, 1995 by Mifflin. Astronomy short for celestial pole Refraction: Terms used in mirrors the imaginary central line at the of! Concentrated and strongest 1 the thumb in the Definitions.net dictionary the centre of the magnetic diminishes. Pole is like St. Patrick to the positive and negative poles of restraint and abandon stator... The reflecting surface of a magnetic field played with magnets, then you definitely know that they an. State the law of poles ( electric ) or 2 staying connected ”.! A ten-foot pole submitted and determine whether to revise the article an at. Voltaic cell or storage cell that is connected to the pole of certain materials of certain materials determine whether revise! 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