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Western Civilization I / Unit 17   WC1 1627 short lesson, about 20 seconds

Galileo's Physics: Inertia Against Aristotle

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The idea

Six years after the Index, Galileo published Two New Sciences of Motion and Mechanics, with inertia and acceleration defined mathematically against Aristotle, who held that motion needed a continuing push. The anchor rates the physics as important as the astronomy.

In practice

Experiments, then formulas.

Where people slip

Less remembered, equally important. The exam may ask.

Your place on the trail

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