Isaac NewtonIsaac Newton(1643-1727)(1643-1727)

ССontentsontents 1. Early years1. Early years 2. Learning2. Learning 3. Education in Cambridge3. Education in Cambridge 4. Newton's Laws.4. Newton's Laws. - The First Low- The First Low - The Second Law- The Second Law - The Third Law- The Third Law 5. Last years5. Last years

Isaac Newton was born prematurely on Christmas day 1642 (4 January 1643, New Style) in Woolsthorpe, a hamlet near Grantham in Lincolnshire.

Early yearsEarly years

Newton's mother, Hanna returned to Woolsthorpe in 1653 after the death of her second Newton's mother, Hanna returned to Woolsthorpe in 1653 after the death of her second husband, Newton was denied his mother's attention, a possible clue to his complex husband, Newton was denied his mother's attention, a possible clue to his complex character.character.

Newton's childhood was Newton's childhood was anything but happy, and anything but happy, and throughout his life he verged throughout his life he verged on emotional collapse, on emotional collapse, occasionally falling into occasionally falling into violent and vindictive attacks violent and vindictive attacks against friend and foe alike.against friend and foe alike.

With his mother's return to Woolsthorpe in 1653, Newton was taken from school to fulfill his birthright as a farmer. Happily, he failed in this calling, and returned to King's School at Grantham to prepare for entrance to Trinity College, Cambridge.

LearningLearning

Since the university was closed for the next two years because of plague, Newton returned to Woolsthorpe in midyear.

Education inEducation in CambridgeCambridge

In 1665 Newton took his bachelor's degreeIn 1665 Newton took his bachelor's degreeCambridge without honors or distinction. Cambridge without honors or distinction.

Newton's laws.Newton's laws.

In Book III, subtitled the System of the World, Newton extended his three laws of motion to the frame of the world, finally demonstrating 'that there is a power of gravity tending to all bodies, proportional to the several quantities of matter which they contain.

Newton's masterpiece is divided into three books. Book I of the Principia begins with eight definitions and three axioms, the latter now known as Newton's laws of motion.

Newton expressed regret for the algebraic style of recent mathematical progress, preferring the geometrical method of the Classical Greeks, which he regarded as clearer and more rigorous.

The First LowThe First Low

The Second LawThe Second Law The change in The change in

motion is motion is proportional to the proportional to the motive force motive force impressed and is impressed and is made in the made in the direction of the direction of the straight line in straight line in which that force is which that force is impressed impressed

(F = ma)(F = ma)

The Third LawThe Third Law

To every action there is always an To every action there is always an opposed and equal reaction.opposed and equal reaction.

His last decades were passed in revising his major works, polishing his studies of ancient history, and defending himself against critics, as well as carrying out his official duties.

Last yearsLast years

He died in London on March 20, 1727 (March 31, New Style).He never married and lived modestly, but was buried with great pomp in Westminster Abbey.