Static equilibrium problem with three forces

[RunRabbitRun7]

Homework Statement

http://i42.tinypic.com/b4jp6c.jpg

Homework Equations

$$\sum$$Fx=0
$$\sum$$Fy = 0
$$\sum$$Ma=0

The Attempt at a Solution

I stuck don't kno what to do

 

[tiny-tim]

Welcome to PF!

Hi RunRabbitRun7! Welcome to PF!

Hint: take moments

 

[Dr.D]

Before you try to take moments, draw a FBD.

 

[Nyasha]

Be careful of that triangle beam when taking the moment. I mean the one with 200N/m remember that the force is acting at L/3 measured from one end of the beam

 

[RunRabbitRun7]

i found out how to do prob can be deleted