Which technique is used in washing machines to squeeze out water from wet clothes?

Centrifugation

The correct answer is option 4. Centrifugation

Centrifugation method is used in washing machines to squeeze out water from wet clothes.

Principle of Centrifugation technique: The denser particles are forced to the bottom and the lighter particles stay at the top when spun rapidly.

Other Applications of Centrifugation:

Used in diagnostic laboratories for blood and urine tests.

Used in dairies and home to separate butter from cream.