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25 Cards in this Set
- Front
- Back
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A hydraulic system______ pressure?
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Multiplies
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Standard air pressure is
__________ inches of mercury. |
29.92
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When a driver rises to the surface from a great depth in the ocean, she is going from _____ to ______pressure.
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High to Low
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The foward force on a plane that helps it gather speed in order to take off is known as ________.
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thrust
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In a Hydraulic system, pressure is transmitted ______ in all directions through a ________.
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Equally, liquid
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A manometer measures _______ _______?
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liquid pressure
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Suction in a suction cup occurs b/c of ________ air pressure?
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unequal
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The air pressure on top of Mt. Everest is ______ than the air pressure on the bottom?
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Lower
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What is the reason an airplane is able to fly?
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Bernoulli's Principle
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The air resistance on plane during take off is called _________?
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drag
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As the speed of fluid increases, it's pressure ___________?
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decreases
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The force that is on the bottom of the wing during take off is called _______?
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lift
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The pressure on a plane's wing is greater on the _____ of the wings and less on the ____?
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Bottom, top
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As you go deeper in the ocean the pressure _______?
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increases
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As you go higher in elevation, pressure _______?
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decreases
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What type of weather will occur if a Low Pressure system is present?
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wet, moist conditions
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What type of weather will occur if a High Pressure system is present?
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dry, fair weather
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Why does air have pressure?
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B/c of the wieght of the colum of air going up in the atmosphere
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Fluids can be both _____ and ______?
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liquids and gases
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Streamlining an airplane reduces _________?
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Drag
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Manometer measures?
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pressure of water
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Barometer measures?
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pressure of air
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_______/------/_______
___A___ B ___c___ /------/ |
A= Faster
B= Slower C= FAster |
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The principle behind hydraulic devices is that pressure is transmitted equally in all directions in a _______
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Liquid
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1. Barber chair
2. Backhoe shovel 3. Car breaking system |
3 Examples of a Hydraulic
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