Agora: Relative Motion Experiment
Physics → Motion → Relative Motion
Hypathia incorrectly guesses how a sack will fall when it is dropped on a moving boat. She observes that the sack behaves as if the boat was stationary. Hypathia believes the same principle can be applied to the Earth: it is moving around the Sun without us realizing it.
Public Discussion Questions
If you toss an object straight up in a moving car, why doesn't it fly to the back of the car?