Find the tension in a cable and the reaction about a point

[wannawin]

Homework Statement

Find the tension in the cable CD and the reaction at point B.
a=1.5 m
w= 50 kg

http://img821.imageshack.us/img821/5595/cusersjoshappdatalocalt.th.png

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Homework Equations

Sum of forces=0
Sum of moments=0

The Attempt at a Solution

I'm not really sure where to start on this one. I'm thinking about finding the moments about point D, but I don't know if that will even give me anything useful.

 

[nvn]

Yes, that is fine, and will be useful.