lecture7_clicker

# lecture7_clicker - In class Quiz#7-1 A person pulls a block...

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In class Quiz #7-1 A person pulls a block across a rough horizontal surface at a constant speed by applying a force F . The arrows in the diagram correctly indicate the directions but not necessarily the magnitudes of the various forces acting on the block. Which of the following statements must be true? A. F = k and N = W B. F = k and N > W C. F > k and N = W D. F > k and N > W E. None of the above

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A. F = k and N = W B. F = k and N > W C. F > k and N = W D. F > k and N > W E. None of the above In class Quiz #7-1 A person pulls a block across a rough horizontal surface at a constant speed by applying a force F . The arrows in the diagram correctly indicate the directions but not necessarily the magnitudes of the various forces acting on the

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