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Question

In the Newton's gravitational law, $$F = \dfrac{G M m}{d^{2}} $$, the quantity G:


A
depends on the value of g at the place of observation
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B
is used only when the earth is one of the two masses
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C
is greatest at the surface of the earth
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D
is universal constant in nature
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Solution

The correct option is D is universal constant in nature
From Newton's law of gravitation, the force of attraction between bodies  $$ F= \dfrac{GMm}{r^2} $$.
Here G is called the universal gravitational constant as the value of G is same whether the measurements are made on earth or any other planet.
The value of gravitational constant is $$ G = 6.67 \times 10^{-11} N/m^{2}$$.

Physics

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