GK QUESTION#3072
Who proposed that every object in the universe attracts every other object with a gravitational force, explaining phenomena such as an apple falling to the ground and the motion of the moon around the Earth?
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Answer
C. Isaac Newton
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Explanation
Isaac Newton formulated universal gravitation. For point masses its force magnitude is F = Gm1m2/r². The same classical gravitational framework accounts for terrestrial falling motion and celestial orbital motion.