Is there any relation between law of gravitation and Kepler's law? If yes state it
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Answers
1. In astronomy, Kepler's laws of planet motion are three scientific laws describing the motion of planets around the Sun, published by Johannes Kepler between 1609 and 1619.
2. Newton's law of universal gravitation is usually stated as that every particle attracts every other particle in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
• Newton's law of gravitation applies to all objects in the universe, and Kepler's laws apply to any orbiting body, or satellite. Kepler's laws describe the motion of our natural satellite, the Moon, and all the man made satellites orbiting the Earth.
• This is precisely the form of the gravitational force, with the universal gravitational constant G as the constant of proportionality. Thus, Newton's laws of motion, with a gravitational force used in the 2nd Law, imply Kepler's Laws, and the planets obey the same laws of motion as objects on the surface of the Earth.