A mass-spring system has a mass of 0.5 kg and a spring constant of 200 N/m. What is the angular frequency of the oscillation?
Correct answer: C. 20 rad/s
- A. 10 rad/s
- B. 14.14 rad/s
- C. 20 rad/s
- D. 28.28 rad/s
Explanation
The angular frequency ω is given by ω = √k/m . Substituting the values, we get ω √200/0.5 = √400 = 20rad/s.
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About Simple Harmonic Motion
Simple harmonic motion is oscillation in which acceleration is directly proportional to displacement and directed toward the equilibrium position. Work includes displacement, velocity, acceleration, phase, period, frequency, amplitude and energy, with applications to springs and simple pendulums. The restoring force and the conditions for SHM distinguish it from general periodic motion.
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