A piston above a liquid in a closed container had a area of 1m 2squared. The piston carried a load of 350 kg. What will be the external pressure on the upper surface of the liquid?

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04-08-2017
Geography

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A piston above a liquid in a closed container had a area of 1m 2squared. The piston carried a load of 350 kg. What will be the external pressure on the upper surface of the liquid?

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Yna9141 Yna9141 · Answer 1 · 2017-08-17T16:35:55+02:00

In physical science, pressure quantifies the amount of force that is applied at a certain area. Mathematically, this can be transformed as,
Pressure = Force / Area

It is also to be noted that force is the product of mass and acceleration due to gravity.
Force = mass x acceleration due to gravity
Substituting,
Force = (350 kg) x (9.8 m/s²)
Force = 3430 N

Then, substitute this to the first equation,
Pressure = 3430 N / 1m²

ANSWER: Pressure = 3430 N/m² = 3430 Pa

terilynne74 terilynne74 · Answer 2 · 2018-06-28T01:14:08+02:00

terilynne74 terilynne74

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