The shape of a drop on a flat surface is generally spherical or circular. This is due to the surface tension of the liquid, which causes it to minimize its surface area.
As mentioned before, the surface tension of the liquid causes it to minimize its surface area. A sphere has the smallest surface area compared to any other shape, making it the most stable shape for a drop on a flat surface.
Yes, the shape of a drop on a flat surface can change depending on the properties of the liquid and the surface it is on. For example, if the surface is hydrophobic, the drop may spread out more and take on a flatter shape.
Gravity plays a role in the shape of a drop on a flat surface by pulling the liquid downward. This can cause the drop to elongate or even break apart if it becomes too large.
The shape of a drop on a flat surface can be influenced by various factors such as the surface tension of the liquid, the properties of the surface it is on, gravity, and any external forces acting on the drop.