Question 1731Deck Safety70% to pass
The horizontal fore-and-aft movement of a vessel is called _______________.
AI Explanation
The correct answer is C) surge.
The horizontal fore-and-aft movement of a vessel, which is the movement in the longitudinal direction, is called surge. This is one of the six degrees of freedom that a vessel experiences, the others being sway (lateral motion), heave (vertical motion), roll (rotation about the longitudinal axis), pitch (rotation about the transverse axis), and yaw (rotation about the vertical axis).
The other options are incorrect because: A) yaw is the rotation about the vertical axis, B) sway is the lateral or side-to-side motion, and D) heave is the vertical up-and-down motion of the vessel.
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