Answer
77.7k+ views
Hint: G is known as universal gravitational constant. It has been observationally verified over two centuries in almost every real situation possible. It is invariant throughout the Universe.
Complete step by step solution:
Newton using his experiments devised that the force of gravitational between 2 distant objects will be directly proportional to the product of the masses of the 2 bodies.
\[F \propto mM\]
Where m and M are the masses of the 2 bodies.
He further concluded that the force will be inversely proportional to the square of the distance between them. This is also known as the inverse square law.
\[F \propto \dfrac{1}{{{r^2}}}\]
Combining these 2 relations, we get:
\[F\, \propto \,\dfrac{{mM}}{{{r^2}}}\]
To the proportionality sign a constant was introduced,
\[F\, = \,\dfrac{{GmM}}{{{r^2}}}\]
Where G is known as universal gravitational constant. Its value is given \[6.67 \times {10^ - }^{11}\;N{m^2}k{g^ - }^2\]. It has been almost 300 years since Newton and the value of G has been found constant throughout the Universe. This value will remain constant whatever may be the surrounding conditions.
Therefore the option with the correct answer is option D.
Note: G (gravitational constant) should not be confused with g( acceleration due to gravity). The relation between these 2 quantities is given as \[g{\text{ }} = \sqrt {\dfrac{{GM}}{{{r^2}}}} \]
Complete step by step solution:
Newton using his experiments devised that the force of gravitational between 2 distant objects will be directly proportional to the product of the masses of the 2 bodies.
\[F \propto mM\]
Where m and M are the masses of the 2 bodies.
He further concluded that the force will be inversely proportional to the square of the distance between them. This is also known as the inverse square law.
\[F \propto \dfrac{1}{{{r^2}}}\]
Combining these 2 relations, we get:
\[F\, \propto \,\dfrac{{mM}}{{{r^2}}}\]
To the proportionality sign a constant was introduced,
\[F\, = \,\dfrac{{GmM}}{{{r^2}}}\]
Where G is known as universal gravitational constant. Its value is given \[6.67 \times {10^ - }^{11}\;N{m^2}k{g^ - }^2\]. It has been almost 300 years since Newton and the value of G has been found constant throughout the Universe. This value will remain constant whatever may be the surrounding conditions.
Therefore the option with the correct answer is option D.
Note: G (gravitational constant) should not be confused with g( acceleration due to gravity). The relation between these 2 quantities is given as \[g{\text{ }} = \sqrt {\dfrac{{GM}}{{{r^2}}}} \]
Recently Updated Pages
Name the scale on which the destructive energy of an class 11 physics JEE_Main
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Write an article on the need and importance of sports class 10 english JEE_Main
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Choose the exact meaning of the given idiomphrase The class 9 english JEE_Main
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Choose the one which best expresses the meaning of class 9 english JEE_Main
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
What does a hydrometer consist of A A cylindrical stem class 9 physics JEE_Main
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
A motorcyclist of mass m is to negotiate a curve of class 9 physics JEE_Main
![arrow-right](/cdn/images/seo-templates/arrow-right.png)