![]() For example, if you are a passenger in a car without a seatbelt and the driver suddenly slows down, your body will have a tendency to continue on its original path with the same velocity and you will feel as if you are being pushed forward. Newton’s First Law states that an object at rest will stay at rest, and an object in motion will stay in motion, unless acted upon by a force. This work is the basis for what is now know as Classical Mechanics, and is still being used by scientists today. In his monograph Philosophiæ Naturalis Principia Mathematica (1687), Newton defined a set of physical laws of motion of objects when forces are applied. He is famous for describing many scientific principles and credited with co-inventing calculus and the reflecting telescope (SF Fig. Newton was a great scholar because he studied the work of scientists before him from times of Aristotle, Arab Muslim scientists, Galileo Galilei, and Copernicus.Sir Isaac Newton (1643–1727) was an English physicist, mathematician, astronomer, natural philosopher, alchemist, and theologian.Newton also spent his time doing chemical experiments from the time of alchemy (Arab chemists).He was so weak that the chances of his survival were very low. Newton was a premature baby when her mother gave birth to him.For example, the motion of the planets, chemical reactions, and the motion of rockets. Calculus is very important to understand the dynamic systems that constantly change their state. He called his newly developed math as fluxions that today we know as calculus. He developed a new kind of math that could deal with “rates of change”. Calculus – Newton was also a very famous mathematician who spent most his time solving mathematical expressions.( Learn more about the invention of the telescope) Today, most of the ground-based telescopes used on the Earth are the reflective telescopes that work on the same principle of Newton. Newton designed a new kind of telescope, called reflective telescope, which used mirrors for focusing the light – instead of traditional glass lenses. These refractive telescopes were actually developed by Galileo Galilei and had certain limitations. Reflective Telescope Newton’s reflecting telescopeīefore Newton, people and astronomers used telescopes that contained lenses made of glass to refract the light for focus.The most famous law is the 3 rd law of motion, which states that every action has a reaction equal in the amount but opposite in the direction. Three Laws of Motion – Newton developed three laws of motion which described the motion of objects.This law defined the attractive force of Earth and the motion of planets around the Sun. ![]() He started to think about falling of apple and worked-out on this phenomena and gave a law, called the law of universal gravitation.
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