more from this thinker | more from this text
Full Idea
Newton's Third Law implies the conservation of momentum, because 'action and reaction' are always equal.
Gist of Idea
Newton's Third Law implies the conservation of momentum
Source
report of Isaac Newton (Principia Mathematica [1687]) by David Papineau - Thinking about Consciousness App 3
Book Ref
Papineau,David: 'Thinking about Consciousness' [OUP 2004], p.239
A Reaction
That is, the Third Law implies the First Law (which is the Law of Momentum).
| 24064 | If something is pushed, it pushes back [Aristotle] |
| 19673 | Galileo mathematised movement, and revealed its invariable component - acceleration [Galileo, by Meillassoux] |
| 20964 | Descartes said there was conservation of 'quantity of motion' [Descartes, by Papineau] |
| 20968 | Newton's Third Law implies the conservation of momentum [Newton, by Papineau] |
| 15958 | Inertia rejects the Aristotelian idea of things having natural states, to which they return [Newton, by Alexander,P] |
| 17017 | 1: Bodies rest, or move in straight lines, unless acted on by forces [Newton] |
| 17019 | 3: All actions of bodies have an equal and opposite reaction [Newton] |
| 17018 | 2: Change of motion is proportional to the force [Newton] |
| 22173 | Galileo refuted the Aristotelian theory that heavier objects fall faster [Okasha] |
| 22618 | In modern physics the first and second laws of motion (unlike the third) fail at extremes [Ingthorsson] |