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2 cards from this section. Quick, good the night before a test.
Define gauge pressure and how it differs from absolute pressure.
Remember the reference point for gauge pressure.
Explain the significance of hydrostatic pressure in fluid mechanics.
Consider where you would see hydrostatic pressure in nature.
Which type of pressure is measured relative to atmospheric pressure?
What does gauge refer to in this measurement?
True or False: Hydrostatic pressure is constant across horizontal planes in a fluid at rest.
Think about how pressure behaves without movement.
A liquid with a density of 850 kg/m³ is contained in a vertical cylinder 15 meters high. Calculate the pressure at the bottom of the cylinder.
Apply the hydrostatic formula at the bottom.
Explain how altering the tube diameter affects liquid height in capillary action when using two different tubes.
Think about the balance between gravity and surface tension.
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