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March 29, 2017

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an adult and a s,all child get on a seesaw that has a movable fulcrum. when the fulcrum is in the middle, the child can't tift the adult. How should the fulcrum be moved so the two can seewaw

  • physical science - ,

    I gave you the answer. I assume, now, that you don't have numbers to plug into the equation. But you should figure out from the equation, that qualitatively, the fulcrum must be moved toward the adult.
    A__________x_________C
    Adult goes down. Child goes up.
    So you move the fulcrum closer to the adult.
    A______x______________C
    Now they can see-saw.

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