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Newtons Apple incident

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Most people know of Isaac Newton's theory of gravitation and the great apple incident ... which was pretty important and lead to so many discoveries. Imagine the moon landing without gravitational knowledge, or ... well anything ... good 'ol gravity, what would we do without it :giggle:.

Newton himself often told the story that he was inspired to formulate his theory of gravitation by watching the fall of an apple from a tree. (not the apple falling on his head like most people depict :B )

Stukeley recorded in his "Memoirs of Sir Isaac Newton's Life"
... We went into the garden, & drank tea under the shade of some appletrees, only he, & myself. amidst other discourse, he told me, he was just in the same situation, as when formerly, the notion of gravitation came into his mind. "why should that apple always descend perpendicularly to the ground," thought he to him self: occasion'd by the fall of an apple, as he sat in a comtemplative mood: "why should it not go sideways, or upwards? but constantly to the earths centre? assuredly, the reason is, that the earth draws it. there must be a drawing power in matter. & the sum of the drawing power in the matter of the earth must be in the earths centre, not in any side of the earth. therefore dos this apple fall perpendicularly, or toward the centre. if matter thus draws matter; it must be in proportion of its quantity. therefore the apple draws the earth, as well as the earth draws the apple."


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