This simulation represents the case of an object sliding frictionless over the surface of a flat disk that is rotating. I will call the object 'the puck', as in ice hockey. The 'Distance' in the simulation is the distance to the disk's rotation axis. The 'Velocity' is relative to the disk; 0.3 velocity means that at the instant of being launched the puck's velocity relative to the disk is 30% of its co-rotating velocity at that particular distance to the rotation axis. That is, close to the rotation axis 0.3 represents a slower velocity than close to the disk's rim.
The disk supports the weight of the puck, but since there is no friction the rotation of the disk does not affect the motion of the puck. So there's no dynamics going on; there is no exchange of momentum, no change of kinetic energy.
This animation represents the case of frictionless motion of an object that experiences a centripetal force. More specifically, the strength of the centripetal force is proportional to the distance to the central axis of rotation. A proportional centripetal force is very symmetrical and the motion under the influence of that force has distinctive properties.
In molecular physics it is recognized that there is a coupling of rotational and vibrational energy-levels. In molecular physics rotational-vibrational coupling is also called rovibronic coupling and Coriolis coupling. The physics of actual diatomic molecules is more complicated than the example in this animation, but because of its simplicity the animation is useful for illustrating the basic principles.
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