1
what is the pressure caused by the weight of the atmosphere?
atmospheric pressure
Which principle is a change in pressure at any point in a enclosed fluid will be transmitted equally to all parts of that fluid?
pascal's principle
what does pressure depend on?
The depth of the fluid
What do submarines use to go up and down in the water?
air tank
What is it called when the weight of the object is greater than the weight of the displaced fluid?
what is the forward force produced by an airplanes engine?
thrust
Which principle says the buoyant force of an object in a fluid is an upward force equal to the weight of the volume of the fluid that an object displaces?
Archimedes principle
How many times greater is the density of water than air?
1000
What is the formula to find pressure
Force divide Area
What is it called when the weight of the object is equal to the weight of the fluid displaced
floating
What is the force that opposes resists motion in a fluid?
drag
Which principle says the fluid pressure decreases as the speed of the fluid decreases?
Bernoullis Principle
What % of all gases are found within 10km of the Earth's surface?
-80%
How many newtons of pressure on every square cm on your body?
10N
What is it called when the weight of the object is less than the weight of the displaced fluid?
buoying up
What is the upward force that fluids exert on all matter?
buoyant force
What two things help a plane fly?
thrust and lift
What part of a fish helps control if it goes up or down in the water?
swim bladder
Do fluids flow from a high pressure to low or low pressure to high?
high to low pressure
what plane has big engine smaller wings?
jet
lift
What determines lift?
The size and shape
What is the standard atmospheric pressure
101,300
What is a gas that is greater than air?
helium
what plane has smaller engine bigger wings?
gilder