All Questions
6
questions
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votes
1
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How does gravity change nearing the core in free fall? [duplicate]
The Pole to Pole Mole Hole-
If there were to somehow be a cylinder going from the North to South Poles, all the way through Earth, then what would happen halfway down (The Core). If something fell ...
0
votes
1
answer
120
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Is there any way to create a globe with gravitational or similar attractive force - earth simulator?
This may sound like a dumb question.
Is there anyway to create a miniature version of earth or its gravitational force.
A globe or sphere which have force inside it which can attract the things ...
- 109
14
votes
4
answers
2k
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What is the general relativity explanation for why objects at the center of the Earth are weightless?
The idea that as you move through the earth you get a symmetric cancelling of gravitational acceleration which approaches zero acceleration due to gravity at the center of the earth makes a lot of ...
- 1,039
0
votes
1
answer
238
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Does gravity act in the centre of the Earth? [duplicate]
If we we dig a hole from north pole to the south pole of the Earth and we throw a ball in this hole where would it stop? Will it come back on the surface or it will stop at the centre?
- 21
4
votes
2
answers
584
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Does the Earth have a semi-solid body at its core because of lower pressure at the center of the Earth?
I have read that the Earth has a semi-solid iron body at its core, even though that object is surrounded by liquid magma.... I'm wondering if this is because of a pressure (and resulting temperature) ...
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39
votes
5
answers
34k
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Would you be weightless at the center of the Earth?
If you could travel to the center of the Earth (or any planet), would you be weightless there?
- 543