One-Word Answer Quiz
Question 1 of 10
What is the SI unit of pressure?
It's named after a French mathematician who made important contributions to the study of fluids.
What is the formula for pressure at depth h in a liquid? (Give as P=...)
It involves depth (h), density (ρ), and gravitational acceleration (g).
What principle explains hydraulic lifts?
Named after a French scientist, it states that pressure changes in confined fluids are transmitted undiminished.
What happens to atmospheric pressure as altitude increases?
Think about how the amount of air above you changes as you go higher.
What instrument measures atmospheric pressure?
It can be mercury-based or aneroid, often used in weather forecasting.
What force acts perpendicular to a surface?
This is the total force applied perpendicular to a surface area.
What is the approximate atmospheric pressure at sea level in Pascals?
It's about 101 thousand Pascals (give the number only).
What property of a fluid appears in the pressure at depth formula?
It's mass per unit volume, represented by the Greek letter ρ.
What weather condition is typically associated with low atmospheric pressure?
Think of weather with rain, wind, and possibly thunder.
What device uses atmospheric pressure to measure altitude?
It's commonly used in aircraft to determine height above sea level.
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