The function of the instrument is electric rotation. The speed is adjustable. The rotating speed and centripetal force can be displayed respectively,
With memory and zeroing function,
The weight of the weight can be replaced and the spacing distance is adjustable.
The product is composed of a base,hand ring track,aluminum frame, steel ball, weights etc.
It is used for teaching demonstration in middle school physics, and can visually demonstrate and qualitatively verify centripetal force formula.
....
