what is a joule units
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Joule The joule (/ˈdʒuːl/), symbol J, is a derived unit of energy in the International System of Units. It is equal to the energy transferred (or work done) to an object when a force of one newton acts on that object in the direction of its motion through a distance of one metre (1 newton metre or N·m).ne joule can also be defined as: 1  The work required to move an electric charge of one coulomb through an electrical potential difference of one volt, or one 'coulomb volt (C·V). 2  This relationship can be used to define the volt.
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- The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work.The unit is pronounced to rhyme with tool, and is named in honor of the physicist James Prescott Joule (1818-1889).he joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work.
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How Many? A Dictionary of Units of Measurement Â© Russ  Rowlett and the University of North Carolina at Chapel  HillTable of  ContentsAbout the DictionaryUsing the DictionaryM This is a very good question.   A joule is a unit of energy, and a watt is a unit of power. Power is the rate at which energy is converted from potenital to kinetic energy. … So power is some quantity of energy divided by some unit of time. In the SI system, a watt is equal to 1 joule per second.
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Units of energy (August 2015) (Learn how and when to remove this template message) Because energy is defined via work, the SI unit for energy is the same as the unit of work – the joule (J), named in honor of James Prescott Joule and his experiments on the mechanical equivalent of heat. In slightly more fundamental terms, 1 joule is equal to 1 newton metre and, in terms of SI base units.
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joule joule. n. 1. (Units) the derived SI unit of work or energy; the work done when the point of application of a force of 1 newton is displaced through a distance of 1 metre in the direction of the force.oule. n. 1. (Units) the derived SI unit of work or energy; the work done when the point of application of a force of 1 newton is displaced through a distance of 1 metre in the direction of the force.
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-   A joule is a unit of energy, and a watt is a unit of power. Power is the rate at which energy is converted from potenital to kinetic energy. … So power is some quantity of energy divided by some unit of time.
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- The joule is a unit of work and energy. It is equal to a newton-meter (N-m). Note that the unit of torque …is also the newton-meter, but scientists don't use the word joule when they are talking about torque.
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1 watt is equal to how many joules? Watts are a measurement of electrical power. The symbol for the watt is W and one watt = one joule per second (joule is the unit of energy). So a 60W light bulb converts 60 joules of electrical energy to heat and light energy every second! Volts are the unit of measurement for voltage.
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- A joule is defined as a specific amount of energy or work done. Torque is neither one of those, so even though the units are the same the meaning of joule cannot be applied in the case of torque.
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- A unit of work or energy transfer. One joule is equal to work done by a force of one newton moved about 1 m in the direction of the force. 2. (J) A unit of energy equal to the work done when a force of one newton is applied through a distance of one meter.. 1. (Units) the derived SI unit of work or energy; the work done when the point of application of a force of 1 newton is displaced through a distance of 1 metre in the direction of the force. 1 joule is equivalent to 1 watt-second, 10 7 ergs, 0.2390 calories, or 0.738 foot-pound.
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What does a joule measure? Rating Newest Oldest. Best Answer: A Joule is a kg meter squared per second squared---this is one Newton times on meter. It is a unit of work or energy. A common unit of electrical current is the ampere which is a coulomb (charge unit) per second. Current is the rate of change of charge per time unit.
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joule A unit of work or energy transfer. One joule is equal to work done by a force of one newton moved about 1 m in the direction of the force. 2. (J) A unit of energy equal to the work done when a force of one newton is applied through a distance of one meter. Used instead of calorie: 1 J = 0.239 cal. Named after the British physicist J.P. Joule (1818–89).
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Units of Heat - BTU, Calorie and Joule The unit of heat in the SI-system the Joule is. 1  a unit of energy equal to the work done when a force of one newton acts through a distance of one meter.2  4.184 joule of heat energy (or one calorie) is required to raise the temperature of a unit weight (1 g) of water from 0oC to 1oC, or from 32oF to 33.8oF.he unit of heat in the SI-system the Joule is. 1  a unit of energy equal to the work done when a force of one newton acts through a distance of one meter.
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- 1 Joule (J) is the MKS unit of energy, equal to the force of one Newton acting through one meter. 1 Watt is the power of a Joule of energy per second. Power = Current x Voltage (P = I V) 1 Watt is the power from a current of 1 Ampere flowing through 1 Volt. 1 kilowatt is a thousand Watts.
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Joule Megajoule definition, a unit of work or energy, equal to one million joules. See more.
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Energy The Joule-Measuring Heat and Work. By definition, one joule is the work done when a force of one newton is used to move an object one meter. 1 J = 1 N-m. Because work can be converted into heat and vice versa, the SI system uses the joule to measure energy in the form of both heat and work.The First Law of Thermodynamics: Conservation of Energy. The first law of thermodynamics states that energy cannot be created or destroyed. A system can gain or lose energy.ecause work can be converted into heat and vice versa, the SI system uses the joule to measure energy in the form of both heat and work. The First Law of Thermodynamics: Conservation of Energy. The first law of thermodynamics states that energy cannot be created or destroyed. A system can gain or lose energy.
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Definition and Mathematics of Work The Joule is the unit of work. 1 Joule = 1 Newton * 1 meter 1 J = 1 N * m. In fact, any unit of force times any unit of displacement is equivalent to a unit of work. Some nonstandard units for work are shown below. Notice that when analyzed, each set of units is equivalent to a force unit times a displacement unit. Non-standard Units of Work:
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- When a force of 1 Newton is applied on an object for a distance of 1 meter then 1 Joule of energy is used. It is the result of a vector calculation involving the meter (a unit of length in the SI system) and the Newton (the unit of force in the SI system). A unit of torque.
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What Is 1 Joule Equal To? Quick Answer. One joule is equal to the work done by the force of a single newton when its points of application travels through a distance of 1 meter in the same direction as the force, so it is also equivalent to 1 watt-second or 0.2390 calories.
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kilowatt-hour (kWh) The kilowatt-hour (symbolized kWh) is a unit of energy equivalent to one kilowatt (1 kW) of power expended for one hour (1 h) of time.The kilowatt-hour is not a standard unit in any formal system, but it is commonly used in electrical applications.An energy expenditure of 1 kWh represents 3,600,000 joule s (3.600 x 10 6 J). To obtain joules when kilowatt-hours are known, multiply by 3.600 x 10 6.To obtain kilowatt-hours when joules are known, multiply by 2.778 x 10 -7. In general, energy (E) is equivalent to power (P) multiplied by time (t).n energy expenditure of 1 kWh represents 3,600,000 joule s (3.600 x 10 6 J). To obtain joules when kilowatt-hours are known, multiply by 3.600 x 10 6. To obtain kilowatt-hours when joules are known, multiply by 2.778 x 10 -7. In general, energy (E) is equivalent to power (P) multiplied by time (t).
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joule joule. (mechanics). The unit of energy or work in the meter-kilogram-second system of units, equal to the work done by a force of 1 newton magnitude when the point at which the force is applied is displaced 1 meter in the direction of the force.Symbolized J. Also known as newton-meter of energy.oule. a unit of energy and work in the International System of Units and the MKSA (meter-kilogram-second-ampere) system. It is equal to the work done by a force of 1 newton in moving a body 1 m in the direction of the force.
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ENERGY, WORK AND POWER UNITS CONVERSION Although casually the terms energy and power are often used interchangeably, technically they have different meanings. The SI unit of energy and work (which are numerically the same) is the joule (J) . A joule is the work done by a force of one newton for a distance of one meter. This unit is usually used in physics.Energy comes in many forms, such as heat, motion, gravitational, radiated solar power, and electrical.he SI unit of energy and work (which are numerically the same) is the joule (J) . A joule is the work done by a force of one newton for a distance of one meter.
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Why do we measure work in joules? The joule (/ˈdʒuːl/), symbol J, is a derived unit of energy in the International System of Units. It is equal to the energy transferred (or work done) to an object when a force of one newton acts on that object in the direction of its motion through a distance of one metre (1 newton metre or N·m).t is equal to the energy transferred (or work done) to an object when a force of one newton acts on that object in the direction of its motion through a distance of one metre (1 newton metre or N·m).
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What is a Joule? Joule is the unit of energy used by the International Standard of Units (SI). It is defined as the amount of work done on a body by a one Newton force that moves the body over a distance of one meter. Wait a minute … is it a unit of energy or a unit of work?
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- joule. 1. A unit of work or energy transfer. One joule is equal to work done by a force of one newton moved about 1 m in the direction of the force. 2. (J) A unit of energy equal to the work done when a force of one newton is applied through a distance of one meter.Used instead of calorie: 1 J = 0.239 cal.oule. 1. A unit of work or energy transfer. One joule is equal to work done by a force of one newton moved about 1 m in the direction of the force. 2. (J) A unit of energy equal to the work done when a force of one newton is applied through a distance of one meter. Used instead of calorie: 1 J = 0.239 cal.