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Questions and Answers

Which one of the following is the correct equation for the spring force, F, as a function of extension, x?

  • F = kx^2
  • F = kx^3 (correct)
  • F = kx^4
  • F = kx
  • What is the relation between the coefficient of static friction, µs, and the coefficient of kinetic friction, µk, for the motion to start?

  • µs > µk (correct)
  • µs < µk
  • The relation between µs and µk is not mentioned in the text.
  • µs = µk
  • What is the maximum extension in the spring when a constant force of magnitude P = 5µkmg starts acting on the block?

  • L0
  • 2L0
  • L0/4
  • L0/2 (correct)
  • What is the equation for the velocity of the block as a function of its distance, x, from the wall?

    <p>v = kx (D)</p> Signup and view all the answers

    What is the maximum velocity of the block when it is released from being compressed to one-fourth of its natural length?

    <p>Zero velocity (A)</p> Signup and view all the answers

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