Multiple choice

When milk is churned, the cream separates from it due to the ________.

  1. rotational force

  2. centrifugal force

  3. centripetal force

  4. both (1) & (2)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When milk is churned, the centrifugal force generated by the rotational motion pushes the denser milk outward, while the lighter cream (which has a higher fat content) accumulates in the center. This is the same principle used in centrifuges to separate substances of different densities.

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