Sir Isaac Newton was a scientist who has discovered Newton's scientific knowledge, such as the theory of refraction. Laws of motion of the object Gravitational Law Once Newton sitting under an apple tree. He saw the ball fall to the ground Apple Newton was wondering when the apple fell from the tree fall to the ground, why not drift into the air. Such doubts led Newton to study and understand that reasoning. Apple falling to the ground with the force of gravity. And subsequently summarized into force the laws, which is the universal law called the "Law of attraction between masses Newton".
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