flying (1)

flying (1) - How things fly (1) Methods of Flight Floating...

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How things fly (1)
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Methods of “Flight” Floating in air Hovercrafts/air hockey pucks Hot air/Helium balloons Ballistic trajectories Cannonballs satellites Gliding flying squirrels Powered flight Birds planes helicopters)
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Floating in air Gravity is relentless Need some force upwards that is strong enough to keep something aloft Possible methods: Air pressure Magnets Electric charges Buoyancy
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Hovercrafts Air pressure controlled by hovercraft elevates the vehicles Fan in back blows air backward, moving hovercraft forward Basically same physics as an air hockey table, but with air coming from puck instead of table QuickTimeª and a decompressor are needed to see this picture. From wikipedia
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What is “Pressure” Pressure is the force per unit area exerted on a surface QuickTimeª and a decompressor are needed to see this picture.
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Pressure forces come from Differences in Pressure We are immersed
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This note was uploaded on 03/13/2010 for the course PHYS 181 taught by Professor Gilholder during the Spring '10 term at McGill.

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flying (1) - How things fly (1) Methods of Flight Floating...

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