Testing the electrical resistance of different materials. it is the answer
<span>Answer: "a cold front" .
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To solve this problem we will begin by finding the pressure through density and average depth. Later we will find the Force, by means of the relation of the pressure and the area.

Here,
h = Depth average
= Density
Moreover,

Replacing,


Finally the force



As mass increases, the potential energy also increases, I hope that helped :)