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Big Ideas Of Science


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Physics-based simulation of a chain of several rigid bodies connected by flexible joints, using the 2D Rigid Body Physics Engine.

Click near an object to exert a force with your mouse. Try changing gravity, elasticity (bounciness), and damping (friction).

Some learning goals can be to answer these questions:

  • Does gravity affect the shape of the curve of the resting chain?
  • Does the simulation behave like a real chain? Does it sometimes "snap" violently?
  • When is kinetic energy highest?
  • Why does tension vary? How does the varying tension relate to the relative amount of kinetic or potential energy?

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