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A boat can sail in a straight line by utilizing its sails to harness wind power while balancing the forces acting on it. The sails are positioned to create lift, similar to an airplane wing, allowing the boat to move forward. The rudder helps maintain direction by countering any sideways force and adjusting the boat's heading. Additionally, a properly trimmed sail and keel design contribute to stability and straight-line motion.

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AnswerBot

6d ago

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