Born in the same year of Galileo’s death. Born in the same year of Galileo’s death



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Born in the same year of Galileo’s death.

  • Born in the same year of Galileo’s death.

  • Orphan since birth. Newton was born three months after the death of his father

  • Grew up with his grandmother.

  • he was a small child; his said that he could have fit inside a quart mug (≈ 1.1 litres).

  • he never married, being highly engrossed in his studies and work.



At the age of 18, his mother attempted to make a farmer of him.

  • At the age of 18, his mother attempted to make a farmer of him.

  • In 1661, he was admitted in Trinity College, Cambridge as a sizar.

  • He read the books of Copernicus, Kepler & Galileo.

  • 1669, he became a professor of mathematics.

  • (1670-1672) he taught Optics.

  • 1687, he returned back to mechanics.

  • 1704, back to calculus.



Newton was also a member of the Parliament of England from 1689 to 1690 and in 1701, but according to some accounts his only comments were to complain about a cold draught in the chamber and request that the window be closed.

  • Newton was also a member of the Parliament of England from 1689 to 1690 and in 1701, but according to some accounts his only comments were to complain about a cold draught in the chamber and request that the window be closed.

  • In 1696, Newton moved to London to take up the post of warden of the Royal Mint.

  • 1701, retired from Cambridge.

  • Newton was made President of the Royal Society in 1703 and an associate of the French Academy of Sciences.



n April 1705, Queen Anne knighted Newton during a royal visit to Trinity College, Cambridge.

  • n April 1705, Queen Anne knighted Newton during a royal visit to Trinity College, Cambridge.

  • 1717, Newton moved the Pound Sterling de facto from the silver standard to the gold standard.

  • Newton died in his sleep in London on 31 March 1727.

  • After his death, Newton's body was discovered to have had massive amounts of mercury in it.

  • Mercury poisoning could explain Newton's eccentricity in late life.



In 1704, developed infinitesimal calculus. (Leibniz 1684)

  • In 1704, developed infinitesimal calculus. (Leibniz 1684)

  • Newton is generally credited with:

    • the generalised binomial theorem, valid for any exponent.
    • He discovered Newton's identities, Newton's method
    • classified cubic plane curves (polynomials of degree three in two variables)
    • made substantial contributions to the theory of finite differences
    • was the first to use fractional indices
    • He approximated partial sums of the harmonic series by logarithms 
    • was the first to use power series with confidence and to revert power series.


he observed that color is the result of objects interacting with already-colored light rather than objects generating the color themselves. This is known as Newton's theory of color.

  • he observed that color is the result of objects interacting with already-colored light rather than objects generating the color themselves. This is known as Newton's theory of color.



Isaac Newton showed that by shining white light through a glass prism it could be separated back into its different wavelengths.

  • Isaac Newton showed that by shining white light through a glass prism it could be separated back into its different wavelengths.

  • and that a lens and a second prism could recompose the multicolored spectrum into white light.

  • Newton’s color disk



In 1668, he was able to produce the first reflecting telescope.

  • In 1668, he was able to produce the first reflecting telescope.

  • It is known as Newtonian Telescope.

  • It has many advantages compared to the refracting telescope.



In 1687, returned back to work on Mechanics.

  • In 1687, returned back to work on Mechanics.

  • What makes an apple falls down, is responsible for keeping the moon in orbit.

  • The moon is always falling toward Earth.

  • The moon moves forward in space, at the same time.

  • It constantly, misses the Earth.



  • More than 200 years later, his ideas were put in action.





The Law of Inertia:

  • The Law of Inertia:

  • In the absence of external forces, when viewed from an inertial reference frame, an object at rest remains at rest and an object in motion continues in motion with a constant velocity (that is, with a constant speed in a straight line).



the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.

  • the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.



If two objects interact, the force F12 exerted by object 1 on object 2 is equal in magnitude and opposite in direction to the force F21 exerted by object 2 on object 1.

  • If two objects interact, the force F12 exerted by object 1 on object 2 is equal in magnitude and opposite in direction to the force F21 exerted by object 2 on object 1.





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