FE Civil Engineering Exam Prep

Category - Civil Engineering

Which of the following statements expresses Hooke’s Law of simple harmonic motion?
  1. Speed of a wave = frequency x wavelength
  2. Spring force = -(spring constant x displacement)
  3. Average speed = distance traveled / time of travel
  4. None of the above
Explanation
Answer: B - Hooke’s Law of simple harmonic motion can be expressed as spring force = -(spring constant x displacement). Spring force always pushes or pulls a mass towards its original equilibrium position, and as such, is referred to as a restoring force. Hooke’s Law describes the relationship of the restoring force as being directly proportional to the displacement of the mass.
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