> Impetus theory > > The concept of inertia was alien to the physics of Aristotle. > Aristotle, and his peripatetic followers, held that a body was only > maintained in motion by the action of a continuous external force. > Thus, in the Aristotelian view, a projectile moving through the air > would owe its continuing motion to eddies or vibrations in the > surrounding medium, a phenomenon known as antiperistasis. In the > absence of a proximate force, the body would come to rest almost > immediately. > > Jean Buridan, following in the footsteps of John Philoponus and > Avicenna, proposed that motion was maintained by some property of the > body, imparted when it was set in motion. Buridan named the > motion-maintaining property impetus. Moreover, he rejected the view > that the impetus dissipated spontaneously (this is the big difference > between Buridan's theory of impetus and his predecessors), asserting > that a body would be arrested by the forces of air resistance and > gravity which might be opposing its impetus. Buridan further held that > the impetus of a body increased with the speed with which it was set > in motion, and with its quantity of matter. Clearly, Buridan's impetus > is closely related to the modern concept of momentum. Buridan saw > impetus as causing the motion of the object. Buridan anticipated Isaac > Newton when he wrote: > > ...after leaving the arm of the thrower, the projectile would be moved by an impetus given to it by the thrower and would continue to > be moved as long as the impetus remained stronger than the resistance, > and would be of infinite duration were it not diminished and corrupted > by a contrary force resisting it or by something inclining it to a > contrary motion (Questions on Aristotle's Metaphysics XII.9).[2] > > Buridan used the theory of impetus to give an accurate qualitative > account of the motion of projectiles but he ultimately saw his theory > as a correction to Aristotle, maintaining core peripatetic beliefs > including a fundamental qualitative difference between motion and > rest. > > The theory of impetus was also adapted to explain celestial phenomena > in terms of circular impetus.[citation needed] This sounds a lot to me like some of the theories that made Newtons a house hold name. So my question is why has Buridan faded into obscurity and Newton's name been venerated as a God among scientists?