Water is attached to the dog by surface tension, they thought, and the sinusoidal shaking creates centripetal forces that ejects that water off the body.
他们认为水沾在身上靠的是身体表面的亲和力，正弦波状的抖动动作制造了水脱离身体的离心力。
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Roller Blinds: If the tension device is not attached to the wall or floor, young children may pull the bead chain around their neck, posing a risk of strangulation.