Pressure
The formula for calculating pressure
What is force / area
If the weight of a submerged object is greater than the weight of the displaced fluid, the object will ______
Sink
The mass per unit volume of a substance
What is its density
What does displace mean?
What is to push to the sides?
(or move from its usual place)
Materials that can easily flow
What are fluids
SI unit for pressure
What is Pascal
The principle that pressure is transmitted equally in all directions throughout a fluid
What is Pascal's Principle
The phases of matter that fluids include
What are liquid and gases
An airplane wing is designed to make air move faster
What is over the top
An instrument used to measure air pressure
What is a barometer
Water pressure ________ as depth increases
What is increases
A boat will sink if the weight of the water that it displaces is _______ than the weight of the boat itself.
What is less
As the speed of a fluid increases, the pressure within the fluid ________
What is decreases
The principle that states "the buoyant force on an object is equal to the weight of the fluid it displaced".
What is Archimedes' Principle
A force that particles of a fluid exert over a certain area due to their weight and motion
What is pressure
Air pressure increases as altitude __________
What is decreases
Why is salt water more dense than fresh water?
What is because salt adds to the density
When something is negatively buoyant, it will ______
What is sink
Which principle states: The pressure in a moving stream of a fluid is lower than the pressure of the surrounding fluid
Who is Bernoulli
An upward force exerted by a fluid on a submerged object
What is a buoyant force
Heating a confined fluid causes its pressure to _______
What is increase
Fluid pressure is equal in ___________ direction(s).
What is all
An example of fluids moving from areas of higher pressure to areas of lower pressure
What is: a straw, breathing / lungs vacuum cleaner, fan
When an object is less dense than fluid, the object will ______
What is float
The density of water
What is 1.0 g/ml