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i mean how come if you went from New Zeelend to the north pole or something you wouldn't feel upside down? Also couldnt you fly out the other side of the world by not going straight up but going straight across?

2007-05-09 12:17:24 · 4 answers · asked by summer_lover_13 1 in Science & Mathematics Physics

4 answers

When you look around for up versus down you can always look down at your feet and see them standing on the earth. It is not like there are billboards you can see that convince you that you are up or down. It is all earth reference.

I don't understand your suggestion about going straight across. Are you talking about tunneling through the center of the earth (tough to do because the earth is very wide and solid) or do you mean escape gravity by increasing your altitude as you fly along (also too tough to do since it requires you to keep increasing your speed so you don't fall back to the surface).

2007-05-09 12:25:44 · answer #1 · answered by Rich Z 7 · 0 0

Gravity will always pull you towards the center of the earth, so you will never feel "upside down".

And you can't fly through the earth, it's solid..

2007-05-09 12:26:16 · answer #2 · answered by Amy F 3 · 0 0

because gravity pulls at you at the rate of 10m/s and the earth is curved so if you were to fly you would be constantly falling towards the center of the earth. If you were to fly fast enough "the escape speed" you could acutally overcome your "falling" and escape earth.

2007-05-09 12:25:33 · answer #3 · answered by Anonymous · 0 0

Because of the gravitational pull of the earth, no matter where you are on the earth, you will always be pulled towards the center, so none of what you just said would work.

2007-05-09 12:26:06 · answer #4 · answered by Sam 3 · 0 0

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