iwfc87 Posted April 7, 2004 Share Posted April 7, 2004 Hey everybody, I'm doing this assignment on bridges, and one of the topics to talk about are itnernal and external forces. Can anyone help explain this to me ? I'm not getting much from surfing the net(stupid google ) Thanks, Iwfc87 Link to comment Share on other sites More sharing options...
blike Posted April 7, 2004 Share Posted April 7, 2004 Look here: http://www.physicsclassroom.com/Class/energy/U5L2a.html Link to comment Share on other sites More sharing options...
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