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6. Simple harmonic motion requires some form of potential energy.

  • True
  • False

7. Given; (ω^2) = k/m and T = 2π/ω, what is T in terms of m, k and π?

  • T = 2π√(m/k)
  • T = 2π / √(m/k)
  • T = 2π / √(k/m)
  • T = 2π√(k/m)

8. The total potential energy and kinetic energy of a system in simple harmonic motion is always...

  • Zero
  • Changing
  • Constant
  • Infinite

9. The difference between the total energy of a system in simple harmonic motion and it's potential energy is...

  • Equal to the inverse of its kinetic energy
  • Equal to the displacement (x)
  • Equal to its kinetic energy
  • Equal to the spring constant (k)

10. In a system in simple harmonic motion, damping is when...

  • A system maintains a constant energy
  • A system oscillates with an increasing amplitude
  • A system looses energy to its surroundings
  • A system gains energy from its surroundings

11. Critical damping is when...

  • A system converges to zero energy in the shortest time possible
  • A system converges to the maximum energy in the shortest time possible
  • A system converges to zero energy in the longest time possible
  • A system converges to the maximum energy in the longest time possible

12. The 'Natural Frequency' of an object is the frequency at which a system naturally vibrates?

  • True
  • False

13. A system oscillating at a frequency other than it's natural frequency is said to be in...?

  • Forced oscillation
  • Irregular oscillation
  • Normal oscillation
  • Free oscillation

14. Resonance is an increase in amplitude due to the driving frequency being equal to the systems natural frequency

  • True
  • False

15. Waves which are in phase...?

  • Have the same frequencies of oscillation and magnitude of amplitude at any given time
  • Have the same frequencies of oscillation and the opposite magnitude of amplitude at any given time
  • Have the same frequencies of oscillation and unequal magnitudesof amplitude at any given time
  • Have different frequencies of oscillation and magnitude of amplitude at any given time