pneumatic and hydraulic
what do hydraulic systems use under pressure?
liquids
which direction does air pressure come from?
all directions
we have no valves in our bodies.
false
examples of hydraulic systems
our blood system, dump truck lift, other
when you increase pressure on a substance temperature... (increases, decreases, stays the same)
increases
liquids can compress more than gases.
false
one example of a pneumatic system.
ex. A buss door, lungs, others
what unit is used for pressure
pascals
valves use hollow, tubes or pipes to control the movement of fluid
true