3-D Vector Statics

I need to find the Forve Vector (30N) as a Cartesian vector.

Given the information given, I believe that the angles of the Triangle are: 90, 32.37, and 57.63. This gives the projected vector in the x, y plane as 16.1 N.

The answer should be : - 13.2i - 17.7j + 20.3k.

Help?

http://img2.freeimagehosting.net/image.php?fc19261c34.jpg [Broken]
 
Last edited by a moderator:

berkeman

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The picture is not serving up correctly. Can you post a link to it?
 

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