physical science
posted by joey .
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 
DrBob222
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 seesaw.
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