Submarine float and sink, because the floating voltage caused by water. Is equal to the weight of the water is replaced in accordance with the rules of the floating voltage r Keith are good ... This lifting force of Miami opposite direction to gravity. Who is trying to pull the boat capsize? It provides deep underwater levels, floating in.
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Submarines ballast tanks (ballast), the floating control. If you want to sink, water container until it is full, or hydration, or suck the water out. If you want to float (see animation below). For example, if we want to make submarines, floating on the water surface. Ballast and compressor to replace all the density of submarines. Is less than water (floating voltage is positive) it if you want, but floating, sinking submarines. We would cram into the water ballast tanks and. (Floating voltage is negative), it will sink. The air compressor from the tank compressor with high pressure kept inside a boat which is used for the air to breathe. Submarines have wings wing acts like an airplane called the Hydro to build page ( ) Is intended for the movement, for example, 45-degree angle down Head embroidery or Ben boat.
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