theweekndxoxo5139 theweekndxoxo5139
  • 12-12-2022
  • Physics
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a 15-kg child is sitting on a playground teeter-totter, 1.5 m from the pivot. what is the magnitude of the minimum force, applied 3.0 m on the other side of the pivot, that is needed to make the child lift off the ground?

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