how a submarine move up and down in the water body
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submarine has a chamber where water can be stored
when the chamber is empty the submarine becomes light and thus starts to move up.
when the chamber is filled with water inside the ocean . the submarine goes down due to its weight
when the chamber is empty the submarine becomes light and thus starts to move up.
when the chamber is filled with water inside the ocean . the submarine goes down due to its weight
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hey
in submarine there a tank name ballast tank when that tank is open then water get ennterd then submarine start to go down and when tank is closed then marine started to move upward
in submarine there a tank name ballast tank when that tank is open then water get ennterd then submarine start to go down and when tank is closed then marine started to move upward
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