Hindu Achievements in Exact Science: A Study in the History of Scientific Development c13.4

c13.4

(2) Acceleration: Motion was conceived as a change of place in a particle and incapable of producing another motion; but "the pressure, impact, or other force which produces the first motion produces through that motion a *samskara* or persistent tendency to motion (*vega*), which is the cause of continued motion in a straight line, i.e., in the direction of the first motion."⁵⁹ A series of *samskaras* each generating the one that succeeded it was also conceived. Acceleration is thus logically implied in the writings of Udyotakara, the Doctor of Nyaya (logic).