Pressure and Pressure Differences Flashcards
1
Q
A fluid can either be in a liquid or a _____
A
gas
2
Q
as particles move around in fluids what can they collide with?
A
the surface of the container or the surface of the objects in the fluid
3
Q
what is the equation for the link between pressure and force?
A
force normal to a surface
Pressure =—————————————
area of that surface
4
Q
The atmosphere is a relatively _____ layer of air around the earth
A
Thin
5
Q
The greater the 1._____ the less 2.______ the atmosphere and the 3.____ the atmospheric pressure
A
1.atmosphere 2.dense 3.lower
6
Q
why is there a saller weight of air acting on the surface at a higher altitude?
A
there is less air above a surface than at lower altitudes
7
Q
what is the calculation used to calculate pressure?
A
pg 12
