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He needed gravity because he had ideas about motion. He believed gravity caused planets to revolve around the sun instead of flying off into space.

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13y ago

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What was the date that sir Isaac newton found gravity?

Sir Isaac Newton is said to have discovered the concept of gravity in 1665 or 1666, when he observed an apple falling from a tree. This observation eventually led to his development of the law of universal gravitation.


What is Isaac Newton's birth date?

The 4th of January 1643.


When date did Isaac Newton die?

31 of march in 1727


What date did Isaac Newton invented the reflecting telescope?

1668, according to Alfred Rupert Hall, in his book Isaac Newton: adventurer in thought.


What date did newton find out about gravity?

1564


What date did Isaac Newton sit under the apple tree?

its eistein


What was the date when Issac newton discovered gravity?

on 1665


When was the newton meter invented?

The exact date of the Newton Meter is unknown, but it was in the mid 1600's. Sir Isaac Newton was the founder of the Newton Meter.


What date did sir Isaac newton die on?

march 20, 17 somthing


When was sir Isaac newton DOB?

Sir Isaac Newton was born on January 04/1643 using the Gregorian year calendar date, or December 25/1642 using the O.S. Julian calendar.


Did Isaac Newton come up with the theory of gravity?

There was no exact date. 5th of July 1687 was the sharpest date, which was the date of publishing of the "Principia". If you type into Google Principa Mathematica this is the calculus that he formulated to solve the mystery of gravity. I know it was in the 1600's but cannot remember the exact date. Olly


What date did Issac Newton discover gravity?

i grabbed balls n threw them