How do I find the centre of gravity of this object?

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SUMMARY

The discussion focuses on calculating the center of gravity for an unspecified object to assess its stability in water. The participant is confused about the correct value, questioning whether it should be 1.5 meters instead of the stated 1 meter. Key information includes that the center of gravity is positioned 0.5 meters above the water surface, leading to a total height of 1.5 meters from the bottom of the object. Accurate measurements of the heights of the barges and platform are essential for precise calculations.

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Homework Statement


Hi everyone, I need help finding the centre of gravity for this object in order to find its stability in water. However, I am having trouble finding out the centre of gravity.

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Homework Equations



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The Attempt at a Solution


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The answer says that it is 1, but shouldn't it be 1.5? 3/2 = 1.5
 
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We need to know the height of the barges and the height of the platform, however the statement says that the center of gravity is 0.5 above the surface of water, that is d+0.5=1.5m from the bottom of the object.
 

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