Universal Law of Gravitation. Newton and Gravity Newton and the apple “If gravity attracts an apple toward the Earth, perhaps it also attracts the Moon,

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Presentation transcript:

Universal Law of Gravitation

Newton and Gravity Newton and the apple “If gravity attracts an apple toward the Earth, perhaps it also attracts the Moon, and the moon is falling, or accelerating toward the Earth, under the influence of gravity”

Newton Quantizes Gravity Derived a relationship between mass and distance r m1m1 m2m2 F 12 F 21 Universal Gravitational Constant:

Acceleration Due to Gravity g = 9.8 m/s 2

How fast is the Earth traveling right now? r FgFg v M s =1.99 x kg r = 1.5 x m

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