Ch 37: Pressure Flashcards
1
Q
Pressure formula
A
Pressure = Force/Area
2
Q
Pressure units
A
Pascals (Pa)
3
Q
Pressure, Force and Area triangle
A
Force/Pressure x Area
4
Q
Pressure in liquids
A
Pressure in a liquid increases with depth
5
Q
Low Atmospheric Pressure = …. weather
A
Wind and rain
6
Q
High Atmospheric Pressure = …. weather
A
Settled, dry weather
7
Q
What is Atmospheric Pressure caused by?
A
Gravity pull on the gases surrounding the earth
8
Q
Barometer
A
Used to measure Atmospheric Pressure
9
Q
Altimeter
A
Used by pilots to measure height above sea level
10
Q
Isobars
A
Lines on a weather chart show areas of equal pressure
11
Q
What is pressure?
A
Pressure is caused by a force that presses or pushes against an object
12
Q
What does pressure depend on?
A
Force + Area
13
Q
Pressure in everyday life e.g.
A
Weather Health Gravity Flight Hydraulics Water
