To any action there is always an opposite and equal reaction; in other words, the actions of two bodies upon each other are always equal and always opposite in direction.


The Principia: Mathematical Principles of Natural Philosophy (1687), 3rd edition (1726), trans. I. B. Cohen and Anne Whitman (1999), Axioms, or Laws of Motion, Law 3

Isaac Newton Quotes

To any action there is always an opposite and equal reaction; in other words, the actions of two bodies upon each other are always equal and always...

To any action there is always an opposite and equal reaction; in other words, the actions of two bodies upon each other are always equal and always...

To any action there is always an opposite and equal reaction; in other words, the actions of two bodies upon each other are always equal and always...

To any action there is always an opposite and equal reaction; in other words, the actions of two bodies upon each other are always equal and always...