centrifugal force
noun
°in everyday understanding, centrifugal force is the effect that tends to move an object away from the center of a circle it is rotating about (a consequence of inertia).
°In a rotating reference frame, the apparent force that seems to push all bodies away from the centre of rotation of the frame and is a consequence of the body's mass and the frame's angular speed. It works in conjunction with the Coriolis force to give correct motion.