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27 July, 13:27

A kid is on a stationary sled, on snowy ground with Us=0.125. It takes 71.2N of force to get the sled moving. How much normal force is acting?

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Answers (2)
  1. 27 July, 13:55
    0
    570 N

    Explanation:

    Friction = normal force * coefficient of friction

    F = Nμ

    71.2 = N (0.125)

    N = 569.6

    Rounded to 3 significant figures, the normal force is 570. N.
  2. 27 July, 16:13
    0
    Correct Answer:

    570 N
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