vocab Flashcards
1
Q
what is force
A
a push or pull
2
Q
what is area
A
the amount of surface
3
Q
what is pressure
A
the force acting perpendicular to a certain surface area
4
Q
pascal law
A
a unit for pressure;newtons per square meters (Pa)
5
Q
kilopascal
A
A unit of pressure equal to 1000 pascals (kPa)
6
Q
valve
A
a device used to regulate the flow of a liquid in a hydralic system
7
Q
pump
A
device used for raising or moving liquids