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3 cards from this section. Quick, good the night before a test.
What is the formula for calculating gauge pressure?
Think about the difference between the total pressure and atmospheric pressure.
Explain why pressure is considered a scalar quantity.
Consider how pressure behaves in all directions.
What is the definition of gauge pressure?
Think about the type of pressure you feel inside a tire.
Is pressure a scalar or vector quantity?
Consider how pressure acts uniformly on a surface regardless of angle.
A sealed container holds a fluid at 30°C and is subjected to an external pressure of 200 kPa. The fluid's density is 850 kg/m³. If the maximum depth of the fluid in the container is 20 m, calculate the absolute pressure at the bottom of the container.
Pay attention to units; you may need to convert pressures into the same units.
In a U-tube manometer, the fluid on the left side is oil with a density of 800 kg/m³ and the right side is water (1,000 kg/m³). The oil height is 0.15 m, and water height is 0.10 m. Determine the pressure difference between the two sides.
What weight of fluid creates pressure? Relate heights to density.
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