Gravitation - Everything you need to know
GRAVITATION Historical Introduction:- The motion of celestial bodies such as the moon,the earth ,the planets etc., has been a subject of great interest for a long time . Famous Indian astronomer and mathematician, Aryabhat,studied these motions in great detail, most likely in the 5th century A.D. ,and wrote his conclusions in his book " Aryabhatiya ". He established that the earth revolves about its own axis. About a thousand years after Aryabhatt, the brilliant combination of Tycho Brahe (1546-1601) and Johannes Kepler (1546-1630) studied the planetary motion in great detail. [which will discuss latter as "Kepler Laws"] The year 1665 was very fruitful for Issac Newton (aged 23) . In this year he performed brilliant theoretical and experimental tasks mainly in the field of mechanics and...