5.2. Conservation of Angular Momentum
What about the Earth, when a train starts moving?
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The video shows this experiment and shifts over to a real train, starting at a railway station and posing the question: will the earth react and if yes, how?
Again there is no answer. The video is meant to stimulate a discussion about the universal validity of conservation of angular momentum and about the earth as rigid or elastic body.
conservation_of_angular_momentum.wmv (2,5 MB) (lower resolution)