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physics

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David and his father sat at the end of a see-saw 2 m from the pivot. where should David's mother sit in order to balance the see-saw

  • physics - no idea - ,

    Hard to say with that little information about masses.

  • physics - ,

    Force multiply by distance(1)+ force multiply by distance(2)= force multiply by distance(3)
    400N multiply by 2m + 600d =700N multiply by 2m
    800+600d=1400
    600d=1400-800
    600d=600
    d=1m

  • physics - ,

    400N multiply by 2m + 600d =700N multiply by 2m
    800+600d=1400
    600d=1400-800
    600d=600
    d=1m

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