Pressure in a liquid

Pressure in a liquid increases with depth below the surface

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QUESTION OF
volume_mute Read quiz aloud
Views #: 958
Questions #: 8
Time: 10 minutes
Pass Score: 80.0%
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Pressure in a liquid can be calculated using the following equation

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volume_mute

pressure = _____ • weight density

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Explanation

What is the water pressure at a depth of 10 feet below the surface of water?

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volume_mute
The weight density of water is 62.4 lb/ft3

Answer = (1) lb/ft2

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Explanation

Convert the units

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What is the pressure in units of lb/in.2 of 624 lb/ft2?

Answer = (1) lb/in2

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Explanation

Calculate the force exerted on your ear under water?

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Given that you are swimmin 10 feet under water where the pressure at that depth is 4.3 lb/in.2

Assume the area of the eardrum to be \(\frac{1}{16}\) in.2

Answer = (1) lb

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Explanation

What is the mass density of alcohol which has a specific gravity of 0.80?

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volume_mute
The weight density of water is 1000 kg/m3

Answer = (1) kg/m3

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Explanation

What is the weight density of alcohol?

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  • Given mass density of alcohol is 800 kg/m3
  • Given 1 kilogram has a weight of 9.8  N/kg

Answer = (1) N/m3

 

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Explanation

What is the pressure 5 meters deep in alcohol?

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volume_mute
Given that weight density is 7840 N/m3

Answer = (1) N/m3

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Explanation

Calculate the pressure

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What is the pressure of alcohol in N/cm2?

  • One square meter is equal to 10000 square centimeters
  • The pressure of alcohol at depth 5 meters is 39200 N/m2

Answer = (1) N/cm2

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Explanation

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