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Spin Table

Spin a table with a coin, a string or a spring on it. Find when it holds and when it flies off.

Physics · Class 11 · What holds a body on a circle · 8 simulations. For JEE, NEET and your boards.

A picture of the Spin Table simulation

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What you'll learn

  1. Tie it down: The string gives the pull to the centre: T = mω²r
  2. Snap point: The fastest speed a string can take
  3. A spring holds it: A spring stretches until it gives mω²r
  4. Coin on the record: Friction holds the coin: mω²r ≤ μmg
  5. Spin till it slides: The spin that makes a coin slide: ω = √(μg/r)
  6. Ride along: Riding along: the centrifugal force mω²r
  7. The groove pushes: A body moving on a spinning table: 2mωv
  8. A strange cord: Any pull can hold a circle: set it equal to mv²/r