Isaac Newton first published on gravity in "Principia Mathematica," which was released in July, 1687. A section of "Principia Mathematica" called "Discourse concerning Gravity and its Properties," was read to the Royal Society on April 21, 1686, in preparation for the publication of the book.Continue Reading
Although Galileo did the initial work on the concept of gravity, Newton's elucidation of gravity in "Principia Mathematica" resembles the closest understanding of gravity today. Although Newton most certainly conceptualized the notion of gravity prior to the publication of "Principia Mathematica," there is no information beyond the reading of Discourse concerning Gravity, which can provide a greater level of specificity as to exactly when Newton first conceived of gravity.
Newton originally referred to gravity with the Latin word for weight, gravitas. Although folk legend suggests Newton discovered gravity after having an apple fall from a tree onto his head, the reality is more likely that he simply observed the apple falling. Newton's prior invention of calculus led to Newton's discovery of gravity, because calculus provided the mathematical tools to do the kind of calculations a concept of gravity required. Specifically, calculus could be used to find the speed of an object thrown in the air at any moment during the flight.Learn more about Motion & Mechanics
According to Wichita State University, Isaac Newton discovered gravity sometime during the summer of 1665. However, the book where Newton first wrote of this finding, "The Principia," was not published until July 5, 1687.Full Answer >
Sir Isaac Newton published his theory of gravitation in 1687 in a book known as the "Principia." Newton built upon the discoveries of previous scientists, such as Johannes Kepler and Galileo Galilei, to develop his theory of gravity, also known as the three laws of motion.Full Answer >
Sir Isaac Newton, an English mathematician and physicist, discovered gravity. Before Newton hypothesized about gravitation in his work "Principia," Galileo Galilee had already laid the foundation for gravitational theory with his work.Full Answer >
Isaac Newton made many discoveries in multiple fields of science, including the discoveries of gravitational force and the three universal laws of motion. Although it is not accurate, Newton is often said to have discovered gravity when an apple fell on his head from a tree.Full Answer >