describe the inventions of isaac newton and their significance write 4 to 5 points .
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Isaac Newton was a physicist and mathematician who developed the principles of modern physics, including the laws of motion and is credited as one of the great minds of the 17th-century Scientific Revolution.
Newton's first major public scientific achievement was designing and constructing a reflecting telescope in 1668. As a professor at Cambridge, Newton was required to deliver an annual course of lectures and chose optics as his initial topic. He used his telescope to study optics and help prove his theory of light and colour.
The Royal Society asked for a demonstration of his reflecting telescope in 1671, and the organization's interest encouraged Newton to publish his notes on light, optics and colour in 1672. These notes were later published as part of Newton's Opticks: Or, A treatise of the Reflections, Refractions, Inflections and Colours of Light.
In 1687, following 18 months of intense and effectively nonstop work, Newton published Philosophiae Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy), most often known as Principia.
Principia is said to be the single most influential book on physics and possibly all of science. Its publication immediately raised Newton to international prominence.
Principia offers an exact quantitative description of bodies in motion, with three basic but important laws of motion:
First Law
A stationary body will stay stationary unless an external force is applied to it.
Second Law
Force is equal to mass times acceleration, and a change in motion (i.e., change in speed) is proportional to the force applied.
Third Law
For every action, there is an equal and opposite reaction.