Asked by ann

if a planet has four times the density of earth half the diameter will the gravity be stronger or weaker than earth

Answers

Answered by PsyDAG
Since this is not my area of expertise, I searched Google under the key words "<I>gravity mass</I>" to get this possible source:

http://www.hometrainingtools.com/articles/gravity-mass-weight-science-teaching-tip.html
http://en.wikipedia.org/wiki/Center_of_mass

Consider that the density/mass is greater and you will be closer to the center of the mass. You should be able to come to your own conclusion.

I hope this helps. Thanks for asking.
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