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If the radius of the earth were doubled while at the same time its mass remained constant, by what factor would this change its acceleration due to gravity at the surface?
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If the radius of the earth were doubled while at the same time its mass remained constant, by what factor would this change its acceleration due to gravity at the surface?

User Keithgaputis
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1 Answer

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Answer:

a = G M / R^2 acceleration at surface

a2 / a1 = (R1 / R2)^2 = (1/2)^2 = 1/4

The acceleration would be 1/4 of its original acceleration

User Passatgt
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