FE Civil Engineering Exam Prep

Category - Civil Engineering

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Which of the following statements expresses Hooke’s Law of simple harmonic motion?

Speed of a wave = frequency x wavelength
Spring force = -(spring constant x displacement)
Average speed = distance traveled / time of travel
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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