Pressure Flashcards
1
Q
Define pressure
A
Force per unit area
2
Q
Pressure formula
A
P=F/A
3
Q
SI unit for pressure
A
Pa or N/m^2
4
Q
Value of atm pressure
A
1.0 x 10^5 N/m^2
5
Q
Fluid pressure formula
A
P = hpg
6
Q
Properties of pressure
A
Pressure:
- at a surface produces a force in a direction at right angles to the surface
- (liquids) increases with depth and pressure
7
Q
Density of mercury
A
13.6 x 10^3 kg/m^3
