Question

Write three laws given by Kepler. How did they help Newton to arrive at the inverse square law of gravity ​

Answer 1

1.Law of orbits: All planets move in elliptical orbits with the sun at one focus

2.law of areas: A line that connects a planet to the sun sweeps out equal areas in equal times

3.law of periods: the square of the period of any planet is proportional to the cube of the semi major axis of its orbit..

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