State whether the following statement is true or false.
Submarines use the principle of neutral buoyancy to move in the water.

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True

False

answer is A.

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Detailed Solution

The given statement is true.

Submarines use the principle of buoyancy to move in the water.
Unlike a ship, a submarine can control its buoyancy, thus allowing it to sink and surface on demand.
To dive, the submarine tanks are opened to allow air to exhaust, while the water is allowed to flow in until its overall density is greater than the surrounding water and the submarine begins to submerge.
When the weight of the submarine has been balanced such that its overall density of it is equal to the water around it, it has neutral buoyancy.
An object that has neutral buoyancy will neither sink nor rise. Neutral buoyancy helps submarines to float underwater without sinking.

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