Hi Staffs, Why is pressure a function of depth not volume? Please provide a real-world example that normally a student can relate to. It makes sense to me mathematically that the units match in the pressure formula P = pgh. My thoughts: If I think of the pressure difference between the bottom of the Pacific Ocean (let's say exactly 4km deep and let's say exactly 15000km wide) and an open cylinder with a width of 50cm and a depth just 1cm deeper than the bottom of the Pacific Ocean floor, I do not see how the pressure at the bottom of the cylinder is greater. Take care

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Hi Staffs,

Why is pressure a function of depth not volume? Please provide a real-world example that normally a student can relate to. It makes sense to me mathematically that the units match in the pressure formula P = pgh.

My thoughts:

If I think of the pressure difference between the bottom of the Pacific Ocean (let's say exactly 4km deep and let's say exactly 15000km wide) and an open cylinder with a width of 50cm and a depth just 1cm deeper than the bottom of the Pacific Ocean floor, I do not see how the pressure at the bottom of the cylinder is greater.

Take care

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