The blunt front end of a tear drop has nothing to do with aerodynamics - it is constrained by surface tension to minimize the surface area of the drop. Low pressure at the back end of the drop pulls the envelop to form the teardrop shape. Just because a teardrop is naturally that way does not mean that automobiles should be subjected to the same rules... Is there an equivalent of the surface tension constraint for automobiles?
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Making the nose more pointed reduces the pressure in front of the car, eliminating many pounds of force that would be pushing backwards.
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Couldn't agree more there!