PRESSURE Flashcards
1
Q
what do we measure pressure in?
A
pascals
2
Q
how much is 1 pascal?
A
1 N/m^2
3
Q
where is the pressure greatest in a liquid?
A
at the bottom
4
Q
how can we increase pressure?
A
decrease surface area and increase force
5
Q
how do we calculate pressure?
A
pressure = force divided by area
6
Q
unlike gases, liquids are _______, as there is _______________
A
unlike gases, liquids are incompressible, as there is no space between particles to push them any closer together
7
Q
what is the principle of moments?
A
in order for something to balance, the clockwise moment and anti-clockwise moment must be equal. we call this the principle of moments
