What's centrifugal force

GOOGLE: Centripetal force is defined as, "the force that is necessary to keep an object moving in a curved path and that is directed inward toward the center of rotation," while centrifugal force is defined as "the apparent force that is felt by an object moving in a curved path that acts outwardly away from the center of

I don't actually know what that is but I hope this helps! Good luck!

measure their densities same density, same sub