The Law of universal gravitation is the law of gravity that explains the interaction between objects published by Sir Isaac Newton in 1687 in The Mathematical Principles of Natural Philosophy. The law is as follows: any two particles are attracted to each other by forces in the direction of the heart. The magnitude of the gravitation is proportional to their mass product and inversely proportional to the square of their distance. It is independent of the chemical nature or physical state of the two objects and the intermediate substance. The formula says: F=GM1M2/(RR)(G =6.67×10^-11N·m^2/kg^2). Based on the research of his predecessors (J. Kepler, R. Hooke, C. Wyen, and E. Halley), Newton proved with his extraordinary mathematical ability. In 1687, the law of universal gravitation was published in The Mathematical Principles of Natural Philosophy. The discovery of the law of universal gravitation is one of the greatest achievements of the natural sciences of the 17th century.

Newton's law of universal gravitation

Gravitational force: F = Gm1m2/r2

Here

G = gravitational constant = 6.6726 x 10-11N-m2/kg2

M1 = object 1 mass

M2 = object 2 mass

r = distance between two objects

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