What Did Sir Isaac Newton Do?


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The work of Sir Isaac Newton revolutionized science and laid the foundations of modern mathematics and physics. Among his accomplishments are the formulation of the laws of motion and gravitation, the development of calculus and the invention of the first reflecting telescope.

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Sir Isaac Newton made many mathematical contributions, including the generalized binomial theorem, Newton's identities, Newton's method and classified plain curves. His insights are the framework of calculus.

Some of Newton's most important work was in the fields of mechanics and physics. He studied gravitation and its orbits on planets. Through his observations and through his derivation of Kepler's laws of motion, Newton at last confirmed the heliocentric model of the cosmos. Moreover, he created the three laws of motion that underscore physics: that an object stays at rest or uniform motion unless acted upon by an outside force; that the rate of change in an object's momentum is equal to the applied force on that object; and that for every action there is an equal and opposite reaction.

Sir Isaac Newton did very important work in the field of optics. By observing that light to a prism refracts different colors from different angles, he determined that color is an intrinsic property of light. He also concluded that objects themselves do not generate color but that color is the result of an object's interaction with already-colored light.

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