For a rough inclined plane on which lies a body of weight W, the angle…

Physics JAMB 1997

For a rough inclined plane on which lies a body of weight W, the angle θ in the diagram above becomes the angle of friction if

  • tan θ = coefficient of static friction checkmark
  • cos θ = coefficient of dynamic friction
  • sin θ = coefficient of sliding friction
  • sec θ = limiting frictional force

The correct answer is: A

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