Explain why When a small drop of detergent is placed on water, the needle moves rapidly away from it and sinks when more detergent is added. (Assume that the detergent does not affect the density of water)

Question

Twig

Physics

7 April, 16:20

Explain why When a small drop of detergent is placed on water, the needle moves rapidly away from it and sinks when more detergent is added. (Assume that the detergent does not affect the density of water)

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Zariah Santos · Answer 1

When soap is added to the water, the needle will be driven to sink by the disruption of the water's surface tension.

Explanation:

When soap is added to the water, the needle will be driven to sink by the disruption of the water's surface tension.

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