📝 Multiple Choice Question
General-science
If the radius of the Earth shrinks by 1% while its mass remains constant, what will be the effect on the acceleration due to gravity?
A
decreases by 1%
B
increases by 1%
C
increases by 2%
D
decreases by 2%
Explanation
g = GM/R^2. By differentiation, a 1% decrease in radius (R) leads to a 2% increase in gravity (g).
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