• Swing a pail of water in a vertical orientation to demonstrate central forces.









        (set out 500-600 ml of water in a beaker)


  • For a humorous variation, use another pail with sponges in the bottom.
  • Allow time for the water to soak into the sponges so they expand and hold themselves in.





        (set out 550 ml of water for sponge bucket)

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