Movement in a non-inertial referential

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The discussion revolves around analyzing a movement problem in a non-inertial reference frame, specifically considering roll, sway, and heave motions. The original poster seeks clarification on the diagram, questioning the elements depicted, such as the fixed pole and the angled line connecting it to the ship. They express uncertainty about the representation of the coordinate theta and its relevance to the system. The complexity of the problem is acknowledged, noting that it likely involves four degrees of freedom, which adds to the challenge of finding a solution. Overall, the conversation emphasizes the need for clear definitions and assumptions to effectively tackle the problem.
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Homework Statement


http://img833.imageshack.us/img833/9638/coisadovitor.jpg

You have all the freedom to make any assumption to solve the problem. All 3 kinds of movement must be considered (roll, sway, heave). Variables are up to you.



Homework Equations




The Attempt at a Solution



I tried to solve it by considering it an harmonic system.
 
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It is not clear what is depicted in the upper right part of the figure. Is that a fixed pole with the mass supported on a cable from the bottome of the pole? What is the solid, angled line from the top of the pole to the ship? What is the coordinate theta supposed to represent?

Whatever this system is, it looks like you have at least 4DOF involved, so it is going to be a bit messy.
 

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