My work: My answer for 1 is 2.5m (floats) For 2:

  • MG must be positive and Ym - Yg must be positive
  • I am not sure where to go from here.


  • 2
    $\begingroup$ why would the pontoon be 5 m high? $\endgroup$
    – jsotola
    Feb 17, 2023 at 23:54
  • $\begingroup$ The question is badly written. Yes, it needs 2.5 m of water to maintain the flotation, yc will be the distance from the top of the platoon to the centroid of the weight, a trick question it maybe. $\endgroup$
    – r13
    Feb 18, 2023 at 0:44
  • $\begingroup$ I would have thought it was 2 m high, and 3 m wide and a length of 5 m. $\endgroup$
    – Forward Ed
    Feb 18, 2023 at 4:11
  • $\begingroup$ Check out this question. $\endgroup$ Feb 18, 2023 at 7:06


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