Difference between revisions of "Joule"
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The '''joule''' (symbol: '''J''') is the unit of energy in the International System of Units (SI). It is equal to the amount of work done when a force of 1 [[newton]] displaces a mass through a distance of 1 metre in the direction of the force applied. It is also the energy dissipated as heat when an electric current of one ampere passes through a resistance of one ohm for one [[second]]. | The '''joule''' (symbol: '''J''') is the unit of energy in the International System of Units (SI). It is equal to the amount of work done when a force of 1 [[newton]] displaces a mass through a distance of 1 metre in the direction of the force applied. It is also the energy dissipated as heat when an electric current of one ampere passes through a resistance of one ohm for one [[second]]. | ||
| − | The word "Joule" is pronounced in two ways, /ˈdʒuːl/ JOOL, also non-standard /ˈdʒaʊl/ JOWL | + | The word "Joule" is pronounced in two ways, /ˈdʒuːl/ JOOL (standard), also non-standard /ˈdʒaʊl/ JOWL. |
A watt-second (symbol W s or W⋅s) is a derived unit of energy equivalent to the joule. The watt-second is the energy equivalent to the power of one watt sustained for one second. | A watt-second (symbol W s or W⋅s) is a derived unit of energy equivalent to the joule. The watt-second is the energy equivalent to the power of one watt sustained for one second. | ||
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*[http://www.sciencemadness.org/talk/viewthread.php?tid=4615 Just a simple physics question....] | *[http://www.sciencemadness.org/talk/viewthread.php?tid=4615 Just a simple physics question....] | ||
| − | [[Category: | + | [[Category:Concepts]] |
[[Category:Units of measurement]] | [[Category:Units of measurement]] | ||
Latest revision as of 20:44, 23 October 2022
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The joule (symbol: J) is the unit of energy in the International System of Units (SI). It is equal to the amount of work done when a force of 1 newton displaces a mass through a distance of 1 metre in the direction of the force applied. It is also the energy dissipated as heat when an electric current of one ampere passes through a resistance of one ohm for one second.
The word "Joule" is pronounced in two ways, /ˈdʒuːl/ JOOL (standard), also non-standard /ˈdʒaʊl/ JOWL.
A watt-second (symbol W s or W⋅s) is a derived unit of energy equivalent to the joule. The watt-second is the energy equivalent to the power of one watt sustained for one second.
