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...

physics - bobpursley, Monday, September 20, 2010 at 11:21am
If the beam has no mass, the beam will not fall if the string is cut. So the tension of the string must be...
physics - bobpursley, Monday, September 20, 2010 at 11:24am
What does "sky weight" mean? That is a term I have never heard in my engineering lifetims.

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