Pressure Flashcards
1
Q
what is pressure
A
force per unit area
2
Q
formula
A
p = f/a
3
Q
how does pressure vary with force
A
increase in force will increase in pressure
4
Q
hoes does pressure vary with area
A
pressure increases when area decreases
5
Q
how does pressure beneath the surface of a liquid change with density
A
pressure will increase with higher density due to the weight of the fluid
6
Q
how does pressure beneath the surface of a liquid change with depth
A
increase in depth will increase pressure
7
Q
formula for change in pressure
A
density x gravity x change in height
