Question

the acceleration due to gravity on the earth surface is G. is the acceleration due to gravity on the surface of another planet whose mass is 4 times the earth's mass and radius is twice the earth's radius is nG then find the value of n

Answer 1

g = m/r² I'm neglecting the constants here

Now if the m is made four times the original, and the radius twice that of Earth, the new acceleration due to gravity would be:

4m/(2r²)

which is m/r² again

Or we can say: 1× g

So, the value of n is 1.

Answer 2

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