How can a submarine choose to sink or float? If a boat in a canal lock sank, would the water level in the lock rise or fall? (not sure what a lock is? see below)

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07-02-2020
Social Studies

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How can a submarine choose to sink or float? If a boat in a canal lock sank, would the water level in the lock rise or fall? (not sure what a lock is? see below)

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akachimichael akachimichael · Answer 1 · 2020-02-09T07:29:33+01:00

Answer: The choice of a submarine to either sink or float depends on the captain of that submarine. For a submarine to sink the captain just have to allow water to fill the water tank (lock), making the submarine more dense than the water it has displaced. For it to float, it just have to empty the water tank and allow air to fill it.

When a boat in a canal lock sank, the water level will rise, because the volume of the boat has displaced more water, and this displaced water will cause the water level to rise. The space occupied by an object in a water, is equal to the volume of water been displaced.

Tundexi Tundexi · Answer 2 · 2022-01-07T12:03:06+01:00

Basically, a submarine can be sinked or floated by the captain of that submarine through the machine control.

A submarine is ship-like structure which have capability of independent operation underwater.

For the submarine to sink, the captain just have to allow water to fill the water tank (lock) which makes the submarine more dense than the water it has displaced.

For the submarine to float, the captain need to empty the water tank and allow air to fill it.

Hence, for submarine to be sinked or floated, the captain of that submarine can do so through the machine control.