Chapter 4 - Pressure and Compressibility Flashcards
1
Q
Pressure
A
Amount of force per unit area
2
Q
Pressure is measured in…
A
Pascals
3
Q
Compress
A
Squeeze
4
Q
Compressibility
A
Ability of a substance to be squeezed into a smaller volume
5
Q
Pressure formula
A
Force/area
6
Q
Pascal discovered that
A
Force is transferred equally throughout a fluid that is contained
7
Q
Examples of pascals law
A
Bus doors, car jacks
8
Q
Pneumatic system
A
Uses pressurized gasses
9
Q
Hydraulic system
A
Uses pressurized fluids
10
Q
Using _____ and _____ helps for great force and precision
A
Pistons, cylinders
11
Q
What do valves do
A
Allows or prohibitive passage of fluid or air through a pipe