angell1 angell1

21-03-2016
Physics

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A piston above a liquid in a closed container has an area of 1m^2. The piston carries a load of 350 kg. What will be the external pressure on the upper surface of the luquid?

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olemakpadu olemakpadu

22-03-2016

Pressure is = Force / Area

Force is = 350 kg , Convert it to weight in Newtons.

F = mg, g = 9.8 m/s²

F = 350 * 9.8 = 3430 N

Area = 1 m²

Pressure, P = 3430 N / 1 m²

Pressure P = 3430 N/m² or 3430 Pascals.

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