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When a brush is in water,the bristles spread but when it is taken out of water, the bristles cling together. Explain

      

When a brush is in water,the bristles spread but when it is taken out of water, the bristles cling together. Explain.

  

Answers


Leah
When in water,the bristles spread because the forces acting on them are equal. When the brush is taken out of water, the water surface on them tends to behave as if it is elastic. In order for the surface to occupy a small area, it pulls the bristles together.
lendiritu answered the question on November 21, 2017 at 05:22


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