Keep a Marble in Motion for 2 Minutes - Ideas & Your Thoughts

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SUMMARY

To keep a marble in motion for 2 minutes, two effective methods were proposed: using a bucket to create a spinning motion and employing a teeter-totter mechanism with a long plastic tube. The first method involves moving the bucket to allow the marble to spin along its walls. The second method requires a string attached to each side of the tube, where pulling one side down alternates the marble's motion. A challenge arises when the requirement is to only touch the marble once to initiate movement, prompting further exploration of techniques like a pendulum.

PREREQUISITES
  • Understanding of basic physics principles, particularly motion and inertia.
  • Familiarity with mechanical systems, such as levers and pendulums.
  • Knowledge of materials suitable for creating a teeter-totter mechanism.
  • Experience with simple machines and their applications in motion.
NEXT STEPS
  • Research the mechanics of pendulums and their applications in maintaining motion.
  • Explore designs for effective teeter-totter systems using plastic tubes.
  • Investigate the principles of rotational motion and how to apply them to a bucket system.
  • Learn about friction and its impact on the motion of objects in confined spaces.
USEFUL FOR

This discussion is beneficial for educators, physics enthusiasts, and hobbyists interested in mechanical design and motion experiments.

Steve B.
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How can I keep a marble in motion for 2 minutes?

I've had 2 suggestions so far:

*A simple way would be to put a marble in a bucket and move the bucket so the marble spins along the walls.

*Another idea is to have a teeter-totter, using a long plastic tube. Have a string attached to each side. Put he marble in one one of the tube and pull the other one down. Then alternate pulling an end down to keep the marble moving. Have and caps on the tube so the marble can't escape.

But, if i can only touch it once and that's to start if off. how can i do that way?

Your thoughts?
 
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