Joule: Perbezaan antara semakan
Kandungan dihapus Kandungan ditambah
Pengembangan rencana, akan bersambung Teg-teg: Suntingan mudah alih Suntingan web mudah alih |
|||
Baris 1:
'''Joule''' (simbol '''J''') ialah [[unit terbitan SI]]<ref>{{cite web|publisher=[[Biro Timbang dan Ukur Antarabangsa]]|year=2006)|title=The International System of Units (SI)|url=http://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf|edition=ke-8|ISBN 92-822-2213-6|archiveurl=https://web.archive.org/web/20170814094625/http://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf|archive-date=14 Ogos 2017|page=120}}</ref> untuk [[tenaga]], [[kerja (fizik)|kerja]] dan [[haba]]. Ia diambil sempena nama [[James Prescott Joule]] (1818–1889).<ref>[https://web.archive.org/web/20060413141420/http://education.yahoo.com/reference/dictionary/entry/joule American Heritage Dictionary of the English Language], Online Edition (2009). Houghton Mifflin Co., hosted by [https://web.archive.org/web/20010502171832/http://education.yahoo.com/ Yahoo! Education].</ref><ref>{{cite book|title=The American Heritage Dictionary|edition= Second College|year=1985|place=Boston|publisher=Houghton Mifflin Co.|page=691}}</ref><ref>{{cite book|title=McGraw-Hill Dictionary of Physics|edition=ke-5|year=1997|publisher=McGraw-Hill, Inc.|page=224}}</ref>.
Unit ini ditakrifkan dari segi dimensi sebagai persamaan berikut:
:<math>\rm 1\ J = 1\ N \cdot m = \left ( \frac{kg \cdot m}{s^2} \right ) \cdot m = \frac{kg \cdot m^2}{s^2}=Pa \cdot m^3= 1\ W \cdot s</math>
== Rujukan ==
{{reflist}}
{{tunas-sains}}
| |||