What are the factors affecting the ‘g’ value?
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Answered by
54
As we know, g=Gx M/R²
where G= Gravitaional constant,
M= mass of earth
and R= radius of earth
The value of acceleration due to gravity of Earth(g) depends upon:
1. G
2. Mass of earth and
3. Radius of earth
as gravitation constant and mass of earth are always constant g value depends only on Radius of earth which not constant at all places on the surface of earth.
As earth is not a perfect sphere, due to this :
At poles, the radius of earth is minimum and g will be maximum.[ ∵ gα1/R]
At equator, the radius of earth is maximum and g will be minimum.[∵ gα1/R]
As we go up from the surface of earth, g value decreases.
The value of g decreases as we go deep inside the earth.
The value o fg is zero at the centre of earth
where G= Gravitaional constant,
M= mass of earth
and R= radius of earth
The value of acceleration due to gravity of Earth(g) depends upon:
1. G
2. Mass of earth and
3. Radius of earth
as gravitation constant and mass of earth are always constant g value depends only on Radius of earth which not constant at all places on the surface of earth.
As earth is not a perfect sphere, due to this :
At poles, the radius of earth is minimum and g will be maximum.[ ∵ gα1/R]
At equator, the radius of earth is maximum and g will be minimum.[∵ gα1/R]
As we go up from the surface of earth, g value decreases.
The value of g decreases as we go deep inside the earth.
The value o fg is zero at the centre of earth
Answered by
10
earth.
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