Question

What is difference between G and g ? in gravitation. ​

Answer 1

$\huge\mathcal\color{teal} Answer :-$

Universal gravitation constant (G):-

 

• It is define as the force of attraction acting between two bodies each of unit mass, whose centers are placed unit distance apart.

• Its value is same throughout  the universe .

• It is a scalar quantity .

• Its value dose not depends upon the  nature and the size of the bodies.

• Dimensional formula for G is [M-1L3T-2]

Acceleration due to gravity (g) :-

 

• It is define as the constant acceleration produced in a body when it falls freely under the effect of gravity.

• Its value changes from place to place.

• it is a vector quantity.

• Its value depends upon the nature and  the size of the bodies.

• Dimensional formula for g is [M0L1T-2].

Hope it helps !

Answer 2

Answer:

G is the universal gravitation constant whose approximately value is 6.673×10−11 N. On the other hand "g" is accelaration due to gravity whose value is 9.8 meter per second2

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