and there is the issue of G-force...
It's a 12th class physics question
I like in this page these lines Although it would be impossible to do this on earth, you actually could do this on the moon. The moon has a cold core and it also doesn't have any oceans or groundwater to mess things up. In addition, the moon has no atmosphere, so the tunnel would have a nice vacuum in it that eliminates aerodynamic drag.
Nice write up for a pondering question. I would only add that as you accelerate you would also decelerate. At the center, these forces are equivalent. In truth, it would take an infinite amount of time to reach the center.
What a great question!
I dun agree with dis article fully because water has been found on moon ...
The article says the moon has no oceans or ground water, how is this true when water has been found on the moon? It's possible there could be an ocean underneath the surface.
Wouldn't be cool if you found a black hole in the middle?
My Dad told me about this possibility when I was a kid.
Funny to come across it now again after so many years.
You'd have to find a way to not bump into the sides because nobody can jump down perfectly straight.
@BenitoTinto, yes it DOES have to be a vacuum, otherwise you'd reach terminal velocity and it would take you a very, very, very long time to reach the other side.
It does not have to a vacuum. Gravity works regardless.
This was an episode of Tiny-toons back in the day. The core was made out of gold and someone stole it. When they jumped in they just bounced around for awhile before coming to rest in the middle.
If the center of the earth creates weightlessness, it means the magma core of our planet actually flows in a zero-gravity. That must make some some seriously complicated physics.
this is wrong. you would be attracted to the part of the moon with more mass
Isnt entirely correct, as you go closer to the centre of a solid spherical object, it is only the mass interior to you that affects the force of gravity acting on you - newton's shell theorem
Truetool, that's not so. the amount of mass below you would be decreasing the closer you get to the center. If ALL of the planets mass were focused at the center then what you said would be true. But it isn't.
I already knew the things in this article but I've also wondered, if you climbed slowly to the center of the earth and then just sat there, weightless, what would the forces pulling at you in every direction from earth's mass feel like? Unnoticeable, tingly, or painful?