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A crate of mass 100kg is at rest on a horizontal floor. The coefficient of static friction between the crate and the floor is 0.4, and the coefficient of kinetic friction is 0.3. A horizontal force, F, or magnitude 350N is applied to the crate. Which of the following is true?

A. The crate accelerates horizontally at 0.5m/s^2
B. The crate slides across the floor at .5m/s
C. The crate does not move.

Please give the correct answer and an explanation why it is correct.

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1 answer

  1. max static friction force = .4*981
    which is more than 350
    It stays in place. 350 N might be enough to keep it moving, but is not enough to start it.

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