gerâni-ye ruyé, ~ ruye-yi
Fr.: gravité de surface
1) The rate at which a small object in free fall near the surface of a body is
accelerated by the gravitational force of the body: g = GM / R2,
where G is the gravitational constant, and M and R
are the mass and radius of the object. The
surface gravity of Earth is equal to 980 cm s-2.
Fr.: gravité totale