WARD."Help Me Understand 30° Angle Between W and Radial Axis

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salman213
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1. Ok here is a diagram I am HAVE NO IDEA HOW THE 30 DEGREES between the W force came and the radial axis!

CAN sOMEONE SHOW ME or EXPLAIN PLZZz

I suck at angles!
http://img171.imageshack.us/img171/9158/50446152db6.jpg
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W is acting DOWN
 
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also it says when theta is 5/3 PIE not sure if that means the axis will be at that angle :S
 
wasn't the 30` angle already given?!