Explain why a drop of liquid under external force is always spherical in shape.

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Solution

Liquids tend to keep minimum potential energy.

We know that liquids tend to attain minimum surface area in order to decrease the potential energy. For this reason, it attains a spherical shape, which has least surface area.
Foe a given volume of the liquid, spherical shape has least surface area.

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Explain why a drop of liquid under external force is always spherical in shape.

Liquids tend to keep minimum potential energy. We know that liquids tend to attain minimum surface area in order to decrease the potential energy. For this reason, it attains a spherical shape, which has least surface area.Foe a given volume of the liquid, spherical shape has least surface area.

Liquids tend to keep minimum potential energy.

We know that liquids tend to attain minimum surface area in order to decrease the potential energy. For this reason, it attains a spherical shape, which has least surface area.
Foe a given volume of the liquid, spherical shape has least surface area.