Why a small drop of mercury is spherical but bigger drops are oval in shape
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Small drop of mercury is spherical in shape is due to surface tension and gravity.
- Surface tension is the force that keeps the molecules of a material together.
- For a small drop of liquid surface tension acts on it and it gains the most energy efficient spherical shape.
- Gravity pulls materials towards its center.Small droplets are not affected by gravity,but large droplets do.So they gain a flat shape
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