Which answer is correct and why is D incorrect? please explain!! thanks :) A hol

Question

Which answer is correct and why is D incorrect? please explain!! thanks :)

A hollow rectangular box is filled with a liquid and can be placed in any of the three orientations shown above. In which orientation will the fluid pressure at the bottom of the box be greatest, and why? (A) Orientation X, because pressure at the bottom of a fluid is greater when the vertical height of the fluid is greater (B) Orientation Y, because pressure at the bottom of a fluid is greater when the width times the height of the fluid is greater (C) Orientation Z, because pressure at the bottom of a fluid is greater when the area of the bottom surface is greater (D) AII three orientations have the same pressure, because the weight of the fluid is the same in each case.

Explanation / Answer

As we know the fluid pressure = h*rho*g.

Hence fluid pressure will be more when the height of liquid column will be more. So correct option is A. Hope now you got, why D is incorrect. It is not only the weight which matters. The area over which weight is acting also matter as well.

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