This picture represents an egg falling from a nest. The only force that is being applied on the egg is gravity, which attracts the egg to the center of the earth from its center of mass. The box represents the egg falling, and the arrow represents the force that is being put to the egg. The force shown is "Fg" which is gravitational force which represents gravity. This is the force that attracts everything to the center of the earth, but it's possible that it only occurs on earth.
Good example! That's the one I gave in class! Did you get it right in your notebook? 2/3 Late
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