The vertical extension of the aft end of the keel is called what?

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Multiple Choice

The vertical extension of the aft end of the keel is called what?

Explanation:
In ship construction, the keel is the main structural line along the bottom of the hull. At the forward end, the keel rises up to form the stem, which defines the bow. At the aft end, the keel ends with a vertical extension known as the sternpost. The sternpost stands upright at the stern and supports the stern structure and stern timbers, and it often provides the mounting point for the rudder in many designs. The other terms described refer to different parts or keel forms, not the vertical aft extension.

In ship construction, the keel is the main structural line along the bottom of the hull. At the forward end, the keel rises up to form the stem, which defines the bow. At the aft end, the keel ends with a vertical extension known as the sternpost. The sternpost stands upright at the stern and supports the stern structure and stern timbers, and it often provides the mounting point for the rudder in many designs. The other terms described refer to different parts or keel forms, not the vertical aft extension.

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