Pressure Flashcards
1
Q
Pressure is measured in
A
Newtons per square metre
2
Q
Pressure in a liquid increases
A
With depth
3
Q
Atmospheric pressure
A
Is caused by the weight of the atmosphere
4
Q
Barometer
A
Is used to measure atmospheric pressure
5
Q
Normal atmospheric pressure
A
Can hold up 76cm of mercury or 1013 hectopascals
6
Q
An altimeter
A
Is a barometer used to measure height
7
Q
High atmospheric pressure
A
Gives good, settled weather
Clear sky, calm weather
8
Q
Low atmospheric pressure
A
Gives bad unsettled weather
Cloud, rain, storm, cyclone, high wind
9
Q
Pressure
A
Is the force per unit area
Pressure = force(N) divided by area (m2)
