Newton is the first person who introduces Gravity . He was a great Scientist , he also developed the three laws of motion which form the basic principles of modern physics. and His discovery of calculus led the way to more powerful methods of solving mathematical problems.
The heaviest object ever directly weighed was the Revolving Service Structure (RSS) of launch pad 39B at NASA's Kennedy Space Center, Florida, USA. The structure was lifted up on 21 jacking points which, between them, measured the mass of the RSS as 2,423 tonnes (5,342,000 lbs).
Pacans, Kips, and Gets are known as the best academies for O Level preparation in Lahore, but Pacans is the only academy that is also offering free preparation material, and free trail classes to all students. Pacans is also offering weekend classes to students which is very convenient.