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dear sir ,
    hope you can make me understand more clearly than others about the difference between G and g in the chapter "Gravitional Force"

Asked by neha 5th September 2015, 11:57 PM
Answered by Expert
Answer:

Hi Neha,

G is the universal gravitational constant. It is constant throughout the Universe.

Whereas, g is the acceleration due to gravity. It varies from place to place on Earth and on other heavenly bodies.

According to Newton's law of gravitation, we have
begin mathsize 14px style straight F equals straight G fraction numerator straight m subscript 1 straight m subscript 2 over denominator straight r squared end fraction end style
G is the universal gravitational constant and its value is 6.67 × 10-11 Nm2/kg2
Whereas F = mg gives g = F/m = N/kg
Answered by Expert 7th September 2015, 6:15 PM
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