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Pressure
Floating and Sinking
Pascal's Principle
Bernoulli's Principle
Math Skills
100
This is a substance that can change shape
What is a fluid
100
This is obtained when density is multiplied by the volume occupied by an object
What is the mass
100
This is an example of a device that moves fluid by increasing the pressure on the fluid
What is a medicine dropper
100
An upward force caused by differences in pressure is called this
What is lift
100
A force of 20N exerted over an area of 10 sq. m will lead to this pressure
What is 2 Pa
200
This is the SI unit of pressure and this is the SI unit of force
What is Pascal (Pa) and what is Newton (N)
200
This is the force that acts opposite the force of gravity and makes an object feel lighter
What is the buoyant force
200
The brakes of a car are examples of common these systems
What are common hydraulic systems
200
Functions of airplane wings is explained by this principle
What is Bernoulli's Principle
200
A force of 25 N exerted on a surface with an area of 5 sq. m will lead to this pressure
What is 5 Pa
300
Air pressure can be measured with this device
What is a barometer
300
According to this principle the buoyant force on an object is equal to this displaced by the object
What is the Archimedes' principle and is the weight of the fluid displaced
300
This is how the car brakes applies Pascal's Principle to stop a car
What is the force exerted by a person on the brake pedal is multiplied and transmitted to the brake pads and then the car stops
300
If you blow above a sheet of paper, the paper will rise. This is the comparison of the pressure exerted by the moving air above and below the air
What is moving air blown over the paper exerts less pressure than the air below.
300
A force of 160 N is exerted over a surface area of 40 sq. m leads to this pressure.
What is 4 Pa
400
This is what happens to atmospheric pressure as elevation increases and this is what happens to water pressure as depth increases
What is decreases and increases
400
This is how you can predict whether an object will float or sink in a fluid
What is by comparing densities
400
The lift system is an example of this system
What are common hydaulic systems
400
In objects like airplane wings, these are sources of lift
What are slant and shape of the wing
400
A substance with a mass of 12g and volume of 3 cc has this density
What is 4 g/cc
500
This is what produces atmospheric pressure and in a fluid that is not moving this is how pressure is exerted in all directions
What is the weight of air and it is equally exerted in all directions
500
If an object that floats on the surface of water displacing 10 cc of water, this is the mass of the object.
What is 10 g
500
This is the relationship known as Pascal's principle
What is when force is applied to a confined fluid, the change in pressure is transmitted equally to all parts of the fluid
500
This is what the Bernoulli's Principle states
What is the Bernoulli's Principle is that as the speed of a moving fluid increases, the pressure within the fluid decreases
500
A substance with a mass of 10 g and volume of 20 cc has this density
What is 0.5 g/cc