English physicist and mathematician who set out the laws of motion and universal gravitation and, independently of Leibniz, invented calculus. Chinese pupils all hear the story of the falling apple.
Newton discovered the law of universal gravitation.
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The unit of force named after him is also 牛顿, shortened to 牛, the word for 'cow', so 10 N is read 10 牛. In the earliest accounts he only saw an apple fall; the version where it hits his head is a later invention.