Which of these was first developed by Isaac Newton?

Question

Quizplus · Accepted Answer

Isaac Newton developed the law of gravity, which explains the attraction between all objects with mass. He did not develop the sun-centered model of the universe (which was proposed by Copernicus and supported by Galileo), a model for the circulatory system (which was described by William Harvey), or the idea of the social contract (which was developed by philosophers such as Thomas Hobbes and John Locke).

Which of These Was First Developed by Isaac Newton