I pull my child in a sled over the snow. The rope makes an angle with the horizontal so that the pulling force has a horizontal component of 15 N and a vertical component in the upwards direction 25 N . The combined weight of the child and sled is 95 N . I'm getting tired and so the sled is slowing at a constant rate of 0.80 m/s each second.
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I pull my child in a sled over the snow. The rope makes an angle with the horizontal so that the pul...
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