Question

define universal gravitational constant​

Answer 1

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The gravitational constant, denoted by the letter G, is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal gravitation and in Albert Einstein's general theory of relativity. Wikipedia

Answer 2

Answer:

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Explanation:

The gravitational constant is the proportionality constant that is used in the Newton's Law of Gravitation. The force of attraction between any two unit masses separated by a unit distance is called universal gravitational constant denoted by G measured in Nm2/kg2.