Important Event of March – 31

Important Event of March – 31

Sir Isaac Newton Memorial Day

• Sir Isaac Newton was born on 25 December 1642.
• He was an English physicist, mathematician and astronomer.
• He is famous for his work on the laws of motion, optics, gravity, and calculus.

His Works

• In 1687, Newton published a book called the Philosophiae Naturalis Principia Mathematica in which he presents his theory of universal gravitation and three laws of motion.
• Newton built the first practical reflecting telescope in 1668; he also developed a theory of light based on the observation that a prism decomposes white light into the colors of the rainbow.
• Newton also shares credit with Gottfried Leibniz for the development of calculus.

Newton’s Three laws of motion.

• Newton’s first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.
• The third law states that for every action (force) in nature there is an equal and opposite reaction.
• The second law states that the acceleration of an object is dependent upon two variables – the net force acting upon the object and the mass of the object.

Death

• Isaac Newton died on 31 March 1727, in London, EngIand.

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