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Question

# Universal gravitational constant G is proportional to distance r between two masses as-

A
r2
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B
r
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C
1/r
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D
does not depend upon r
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Solution

## The correct option is D does not depend upon rAccording to Newton's Law of gravitation, the gravitational force between two bodies of mass M and m separated by a distance r, is directly proportional to the product of the masses of the objects ( F∝Mm) and inversely proportional to the square of distance between them F∝1r2. When we combine this information, we getF∝Mmr2 F=GMmr2where G is the proportionality constant, called the Universal Gravitational constant. Since G is a constant it does not depend on r.

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