Intensity of Gravitational Field :: Discussion


2.If the radius of the earth decreases by 1% and its mass remains the same, then the acceleration due to gravity?
A.Increases by 1%
B.Decreases by 1%
C.Increases by 2%
D.Decreases by 2%
Answer:  Option  C
Explanation:

g=GM/R2
For constant G and M
∆g/g×100=2∆R/R×100=-2(-1)%=+2%
The value of g increases by 2%.

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Published by:Michael Daani

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