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How does the shape of earth affect the value of “g” ?
How does the shape of earth affect the value of “g” ?

```
3 years ago

Shreya gupta
18 Points
```							An earth has a geoid shape.It is flattenedAt the poles nd bulges out at the equator.The equitorial radius is 21 km greater than at the pole.g=GM/R^2gravity of earth(ge) = GMe/(Radius of earth )^2ge is inversely proportional to the square of the radius of the earthAs the radius increases the g decreasesR equitorial > R poleg pole > g equitorial
```
3 years ago
Arun
25768 Points
```							as it is considered that the earths shape is oval, the distance from the centre is varied.As we know that the gravity is the pull by the earth`s centre, it varies as the distance from the centre varies and thus the shape of earth makes gravity vary.
```
3 years ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions