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The change of motion is proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.

Isaac Newton

Quotation #48256

About This Quote

Philosophiae Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy) [1687], Laws of Motion, II

Source: Philosophiae Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy) [1687], Laws of Motion, II
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