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Three children are trying to balance on a seesaw, which consists of a fulcrum rock, acting as a pivot at the center, and a very light board 6.0 long . Two playmates are already on either end. Boy A has a mass of 50 , and girl B a mass of 35 . Where should girl C, whose mass is 25 , place herself so as to balance the seesaw?

  • Physics -

    I would sum moments about the center fulcrum.

    clockwise moments are +

    solve for x, the distance from the center to the Cgirl measured toward the GirlB.

  • Physics -


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