Discussion
Fat can be seperated from milk in a cream seperator because of :
Answer: D
Fat separates because of the centrifugal effect.
In the rotating drum, the denser skimmed milk is thrown to the outside and the lighter fat globules are displaced inwards, so the cream collects near the axis. In the rotating frame this is described as a centrifugal force; in the ground frame it is the denser fluid's greater inertia.
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