The swing ride or chair swing ride (sometimes called a swing carousel, wave swinger, yo-yo, waver swinger, Chair-O-Planes, Dodo or swinger) is an amusement ride that is a variation on the carousel in which the seats are suspended from the rotating top of the carousel as it spins around. On some versions, particularly on the Wave Swingers, the rotating top of the carousel also tilts for additional variations of motion.
In Newtonian mechanics, a centrifugal force is a kind of fictitious force (or inertial force) that appears to act on all objects when viewed in a rotating frame of reference. It appears to be directed perpendicularly from the axis of rotation of the frame. The magnitude of the centrifugal force F on an object of mass m at the perpendicular distance ρ from the axis of a rotating frame of reference with angular velocity ω is .
The concept of centrifugal force simplifies the analysis of rotating devices by adopting a co-rotating frame of reference, such as in centrifuges, centrifugal pumps, centrifugal governors, and centrifugal clutches, and in centrifugal railways, planetary orbits and banked curves. The same centrifugal effect observed on rotating devices can be analyzed in an inertial reference frame as a consequence of inertia and the physical forces without invoking a centrifugal force.
