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Q1. 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?

It is equal to the force of attraction between them

It is equal to twice the force of attraction between them

It is equal to half the force of attraction between them

It is equal to ten times the force of attraction between them

Accepted Answer

Answer : It is equal to the force of attraction between them

The universal gravitational constant is equal to the force of attraction between two bodies each of unit mass having their centres placed at unit distance apart.
F = Gm₁m₂/r When m₁ and m₂ = 1 and r=1 then F=G.
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