C.1 Simple harmonic motion Quiz
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5 questions, one answer each
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1. An oscillator has a period of 0.25 s. Its frequency is:
- A. 0.25 Hz
- B. 4.0 Hz
- C. 25 Hz
- D. 1.6 Hz
2. The length of a simple pendulum is quadrupled. Its period:
- A. is unchanged
- B. doubles
- C. quadruples
- D. halves
3. In SHM, at the equilibrium position:
- A. speed and acceleration are both maximum
- B. speed is maximum and acceleration is zero
- C. speed is zero and acceleration is maximum
- D. both are zero
4. A mass–spring system has ω = 5.0 rad s⁻¹. At x = 0.020 m the acceleration is:
- A. −0.10 m s⁻²
- B. −0.50 m s⁻²
- C. +0.50 m s⁻²
- D. −2.5 m s⁻²
5. Which change increases the period of a mass–spring system?
- A. Using a stiffer spring
- B. Increasing the mass
- C. Increasing the amplitude
- D. Taking it to the Moon