hydrostatics✰ Flashcards
1
Q
what is pressure
A
pressure is the force acting perpendicular on an object per unit area
2
Q
what is the equation for pressure
A
P= F/A
3
Q
what is the SI unit for pressure
A
N/M^2
or
Pascal, pa
4
Q
what is the equation for pressure in liquids
A
P=hρg
5
Q
what is Archimedes principle
A
Archimedes principle states that an object fully or partially immersed in a liquid will experience an upthrust equal to the weight of the liquid displaced
6
Q
when will an object rise
A
when u>w
u being the upthrust and w being the weight
7
Q
when will and object sink
A
when w>u
8
Q
when will an object float
A
when u=w
9
Q
what can be used to measure pressure in gas
A
a manometer
10
Q
what quantity is pressure
A
scalar
