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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 0.3 m on the other side of the pivot that is needed to make the child
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 0.3 m on the other side of the pivot that is needed to make the child life off the ground