Parell de forces: diferència entre les revisions

== Enllaços externs ==

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* [http://www.lightandmatter.com/html_books/2cl/ch05/ch05.html a discussion of torque and angular momentum in an online textbook] {{en}}

* [http://www.phy.hk/wiki/englishhtm/Torque.htm An interactive simulation of torque] {{en}}