Engineering
Physics
Gravitational Force and Field
Gravitational Acceleration
Gravitational Potential Energy
Question
The variation of g with height or depth (r) is shown correctly by the graph in figure (where R is radius of the earth).
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Solution
For depth: g ∝ (R − d)
For height:
Hence, the graph will be linear for depth from centre of earth (R = 0) till the surface of earth (R) and then parabolic with increase in height from earth.