Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

This principle explains why the use of greater camber allows for the operation of certain objects. This theorem explains the changes that happen to certain molecules inside a Venturi tube. If there is no vertical change in height, the equation for this law simplifies to one half the density times velocity squared plus the pressure. This principle states that an increase in fluid velocity results in a decrease in fluid pressure. For 10 points, name this principle devised by a Swiss mathematician that helps explain the ability of airplanes to achieve lift.
Science