20.Which of the following is true about universal gravitational constant in the case of two bodies each of unit mass having their centres placed at unit distance apart? [A] It is equal to the force of attraction between them [B] It is equal to twice the force of attraction between them [C] It is equal to half the force of attraction between them [D] It is equal to ten times the force of attraction between them Show Answer
The value of the gravitational constant remains the same for all astronomical systems and does not depend on the mass of the bodies or nature of the medium. Therefore, the correct answer is option D.
