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Pressure
Miscellaneous
Archimedes
Pascal
Bernoulli
100
A unit of pressure
What is pascal
100
mass per unit volume of a substance
What is density?
100
The direction a buoyant force acts
What is upward direction?
100
This scientific rule describes why water squirts from a plastic bottle when it is squeezed
What is Pascal?
100
Smoke rises up a chimney partly because of this
What is Bernoulli's Principle?
200
Snowshoes enable a person to walk on deep snow
What is increase the area over which the person’s weight is distributed?
200
When water fills a submarine’s flotation tanks, the overall density of the submarine does this
What is increases?
200
A ship stays afloat as long as the buoyant force is this
What is equal to the ship’s weight?
200
The braking system on a car is an example of this
What is a hydraulic system?
200
Bernoulli’s principle helps to explain this
What is flight or lift?
300
Given that the air pressure outside your body is so great, why you are not crushed.
What is Pressure inside your body balances the air pressure outside your body?
300
An object that is more dense than the fluid in which it is immersed will do this
What is sink?
300
If an object floats, the volume of displaced water is equal to this volume
What is the portion of the object that is submerged
300
What a hydraulic system does
What is multiply force?
300
True/False As an airplane wing moves, air moves faster above the wing than below it.
What is true
400
A material that can easily flow
What is a fluid?
400
When the block was placed in the liquid in container A, the level of the liquid rose because
What is the block displaced some of the liquid?
400
Archimedes principle
What scientific rule states that the buoyant force on an object is equal to the weight of the fluid displaced by the object?
400
One application of Pascal’s principle is this
What is hydraulic system?
400
Wind blowing across the top of a chimney helps to do this
What is draw air up the chimney?
500
Air pressure decreases as
What is elevation increases?
500
The fluids in both containers are identical, and both blocks are the same size. Therefore, we can conclude this about the densities of the blocks
What is the density of the block in container B must be greater than the density of the block in container A
500
True/False More force is required to lift an object in water than on land because of the buoyant force of the water
What is true
500
This multiplies a force by transmitting it to a large surface area
What is hydraulic system?
500
Bernoulli's Principle
What scientific rule states that the pressure exerted by a moving stream of fluid is less than the pressure of the surrounding fluid