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 Can I use my laptop while on an airplane?
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smart

If there is a gravity on earth how airplane fly on air?


    



Show all answers


Neil
Because there is a upward force on the wing greater then the gravitational force downward.


chrisford64052
The shape of an airplanes wing creates lift.


B G
Rating
They suck in air to push them off the ground, ya know like a roocket gets pushed up in space when fire if blowed out the bottom well airplans use air to push up.


Kyle V
There is still gravity until you reach the exosphere.


s k
Call the scientist! there is no gavity!

http://www.nasa.gov/audience/forkids/home/F_How_Do_Planes_Fly_Text.html


Chris :D
Rating
because gravity only has a certain power, a plane is powerful enough to overcome this, even we are momentarily when we jump i suppose.


Xx-ImNotOk-xX
idk


Fuzzy Squirrel
The same way birds fly. & they have been doing it longer then man.


ye_river_xiv
It's pretty easy once they get up in the air, because that has it's own "Specific gravity" which is a lot lower than the "specific gravity" of the earth.

The trick is getting them big 747s to take a running leap into the sky and flap their wings enough to get away from the specific gravity of the dust they kick up.

It takes a lot of horses packed into them engines to do that.


Emma G
Rating
they have wings?? thats a good question
but i suppose the gravity levels of earth aren't that high





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