Natural Frequency: Homework Statement

[buxZED]

Homework Statement

[PLAIN]http://img840.imageshack.us/img840/553/unled0016.jpg

Homework Equations

The Attempt at a Solution

can you sujjest me some articals to read (what knowladge do i need) before attemptiong this question?

 

[Quinzio]

Why do you want to read articles ?
First you should calculate the angles of the object, then try to understand how the spring and the mass move.

 

[buxZED]

Why do you want to read articles ?
First you should calculate the angles of the object, then try to understand how the spring and the mass move.

as i have no idea how to do that, i would appreciate if some 1 can point me towered some worked out examples