sentence: Surface tension is responsible for the shape of liquid droplets.
sentences_after: Although easily deformed, droplets of water tend to be pulled into a spherical shape by the cohesive forces of the surface layer. In the absence of other forces, including gravity, drops of virtually all liquids would be perfectly spherical.
concept_name: surface tension
headings: Surface tension Causes
categories: Basic physics ideas‏‎ Fluid mechanics