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| The work required to lift 102 g (e.g. a small apple) for one metre is 1 joule. | The work required to lift 102 g (e.g. a small apple) for one metre is 1 joule. | ||
| : 1 joule = 0 |
: 1 joule = 0.239 ]s. | ||
| See ] for comparisons. | See ] for comparisons. | ||
Revision as of 11:10, 7 February 2003
The joule (J) is the SI unit of energy and work, and is defined as 1 kg m s = 1 N m = 1 W s. It is named in honour of the physicist James Prescott Joule.
The work required to lift 102 g (e.g. a small apple) for one metre is 1 joule.
- 1 joule = 0.239 calories.
See 1 E0 J for comparisons.
See also conversion of units, kWh.