Deviazione dei gravi verso oriente

The deviation to the east of a falling body is examined in the hypothesis that the body is dropped at the equator and the distance fallen is small so that the variation of gravity with height and air resistance may be neglected. At first an inertial frame of reference is used, in which the body rotates with the earth’s angular velocity and is subject to gravity. Then the motion is described in a frame attached to the earth through relative motion equations. The law of inertia does not justify the phenomenon completely.