Question

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

Answer 1

ANSWER

the three laws given by Kepler are

• every planet's orbit is an ellipse with the Sun at a focus
• a line joining the Sun and a planet sweeps out equal areas in equal times
• the square of a planet's orbital period is proportional to the cube of the semi-major axis of its

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