Pressure Difference

Classical Mechanics Level 2

Figure below shows a siphon. The liquid is water. The pressure difference between points A A and B B , ( P B − P A P_{B} - P_{A} ) is:

Given: g g = 9.8 9.8 m s − 2 ms^{-2} and density of water = 1000 1000 k g m − 3 kgm^{-3}

980 Pa 100 Pa 0 400 Pa

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1 solution

Look at the points carefully. They both will have a pressure equal to the atmospheric pressure. Hence, the answer is zero.

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