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22 August, 05:12

What is a screw boat

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Answers (2)
  1. 22 August, 05:24
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    A propeller is a type of fan that transmits power by converting rotational motion into thrust. A pressure difference is produced between the forward and rear surfaces of the airfoil-shaped blades, and a fluid (such as air or water) is accelerated by the pressure difference.
  2. 22 August, 05:30
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    mark brainliest

    Explanation:

    having two screw propellers, which usually revolve in opposite directions.
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