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JAMB Physics 2005 Question 35

Question 35

Simple Harmonic Motion

Marching soldiers crossing a suspension bridge are usually advised to break their steps to avoid damaging the bridge owing to

  1. A.swinging.
  2. B.vibration.
  3. C.oscillation.
  4. D.resonance.
Show the answer and explanation

Answer: D (resonance.)

Explanation

If the marching rhythm matched the bridge's natural frequency, resonance could build up large, damaging oscillations.