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by hummus_bae
1213 days ago
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Early on in my physics career, my supervisor asked me to keep in mind “it’s about speed, not velocity” when doing calculations. In general a force is a change in momentum, i.e. a change in speed. Acceleration is a change in speed relative to some frame. It’s quite possible that da Vinci may unknowingly have seen gravity as an acceleration (as in my example above) and taken the next step to seeing it as a change in speed. |
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