T

If you dug a hole through the center of the earth,and jumped in, would you stay at the center because of gravity?

6 Answers
If you dug a hole through the center of the earth,and jumped in, would you stay at the center because of gravity?
J

I haven't done the math, but the force of gravity drops to zero at the center, so your acceleration rate slows as you approach the center. At the center of the Earth, gravity from the mass of the Earth would be pulling you equally in all directions at once, so the net force would be zero. Gravity is only strongest at the surface and you will accelerate fastest there. As you approach the center, you will be accelerating more slowly. Momentum will carry you past the center but you wouldn't have the velocity needed to make it to the other side of the Earth due to air resistance (terminal velocity in free fall). You would then be pulled back towards the center and continue the back and forth until you eventually end up at the center and float weightless.

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C

You would not stay at the center because there is no gravity at the center of the earth. You would slingshot (assuming there is no friction or retarding forces) to exactly the surface of the earth (assuming thats where you started). All of the gravitational potential energy that you started with would be converted to kinetic energy at the center and then when you hit the other side, the kinetic energy that you had at the center would be converted back into gravitational potential energy.

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J

The center would be approximately 3956.5 miles (6367.4 km), straight down from wherever you happen to be at the moment. Hang a plumb bob on a string and it will point the direction to the center.

In technical terms, the center would be the point where the entire mass of the Earth would be equally distributed around. Since we are talking about a sphere (for all practical purposes), it would be the geometric center of the sphere.

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H

No, if you were to construct a cylindrical tube through the earth's axis, and jumped in, your rate of acceleration in free fall would over come the force of gravity and you'd sling shot into space at the other end, match earth's orbit momentarily until drawn back to earth's gravitational pull or that of the sun or another passing planet.

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H

You could try . Although you would burn to death and release Molten lava into the world before you found out.

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B

Where is the center

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