The physics of Angry Birds  OCT 13 2010

Using motion tracking software, Rhett Allain finds out if the flight of the slingshotted Angry Birds adheres to the laws of physics.

The only force acting on the bird (if the bird is not moving too fast) would be the gravitational force from the Earth. This is where I see lots of intro-student mistakes. They tend to want to put some force in the horizontal direction because the bird is moving that way. DON'T do that. That is what Aristotle would have you believe, but you don't want to be in his club. There is no horizontal force in this case -- no air resistance.

He also determines the height of the red bird: about 2.3 feet tall. The big red bird must be at least double that.

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