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Physics, 19.07.2019 06:00 krystenlitten

A15-kg child is sitting on a playground teeter-totter, 1.5 m from the pivot. what is the magnitude of the minimum force, applied 0.30 m on the other side of the pivot, that is needed to make the child lift off the ground?

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A15-kg child is sitting on a playground teeter-totter, 1.5 m from the pivot. what is the magnitude o...

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