Question:
In the relation $F=G M \mathrm{~m} / \mathrm{d}^{2}$, the quantity $G$
(a) depends on the value of $g$ at the place of observation
(b) is used only when the earth is one of the two masses
(c) is greatest at the surface of the earth
(d) is universal constant of nature.
Solution:
(d) Explanation: The value of ' $G$ ' is same throughout the universe.
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