• ID Code: C4-52
  • Purpose: Illustrate apparent weightlessness in free fall
  • Description: A mass hangs from a spring over the edge of a cup. Raise the pole vertically and release. Because the mass becomes weightless in free fall, the ball will be pulled into the cup immediately when the system begins to fall.
  • Availability: Available
  • References: http://lecdem.physics.umd.edu/images/refs/refsc.htm#C4-52
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