Imagine you're in a super fast elevator that goes all the way through the Earth. When you jump in, gravity pulls you down like when you fall off a swing, but once you get to the other side, gravity starts pulling you back the other way! It’s like a giant bouncy ball ride inside the planet. You’d zoom from one end of the tunnel to the other and keep bouncing forever if there was no air or friction.
Examples
- It's like being in an elevator that goes all the way to the other side of the planet
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See also
- What If We Dug a Tunnel Through the Center of the Earth?
- What If We Dug a Hole All the Way Through Earth?
- Is There Gravity in Space?
- Why Do Astronauts Float In Space?
- How High You Could Jump on Different Planets in 3D?