The Vice President of the United States is the ex officio President of the Senate, with authority to preside over the Senate's sessions, although he can vote only to break a tie. For decades the task of presiding over Senate sessions was one of the vice president's principal duties.
However, because they ride atop the water, rather than cutting through it as other hulls do, flat-bottom boats are usually limited in the size of their motors. The flat surface may also give a spine-jarring ride in anything less than calm weather.
A boats hull shape is important for a number of reason, safety, sea kindliness, load carrying capacity, speed and efficiency in a particular speed range and operating conditions. Hulls can be classified/categorized into three major boat hull types based on intended boat speed range per hull length: Planning hull.