Pressure Flashcards
1
Q
What does a small area give in terms of pressure
A
High pressure
2
Q
What is pressure?
A
Pressure is how much force is put on a certain area
3
Q
What does a big area give in terms of pressure
A
Low pressure
4
Q
Pressure=
A
Force
________
Area
5
Q
Unit of pressure
A
N/m2
6
Q
Name two things used to measure atmospheric pressure
A
Anaeroid Barometer- for weather
Altimeter- in airplanes, converts atmospheric pressure to above sea level
7
Q
What is atmospheric pressure
A
Gases exert a force on everything on earth known as atmospheric pressure
8
Q
What do we know about pressure in liquids
A
Pressure acts equally in all directions
Pressure increases with depth
9
Q
Does air have mass
A
Air has mass and this mass can be measured.
Air can take up space, i.e. air can have a volume.
