The full force of your fall will make it seem like gravity has gotten much stronger. When astronauts travel into space, they feel those same forces. During liftoff, astronauts are pulled back into their launch seats. It feels as though gravity has gotten much stronger. When their spaceship is in orbit, it's like when you're at the top of your dive.
Gravity feels like it has disappeared.
Here's how you can make one. Two rubber bands 3. Masking tape 7. Trace the end of the tube on the flat sheet of cardboard and cut the circle out. Cut out another circle the same way and tape one circle to each end of the tube.