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April 18, 2014

Homework Help: physics

Posted by kat on Monday, September 20, 2010 at 11:19am.

A beam of negligible mass of length 3 m is suspended by a string attached to a wall such that the angle between beam and string is 30 degree, and the beam is held horizontal with a sky weight. Find the tension in the string? Find the compression force on its beam? Thanks...

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