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Review of Oscillations

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Terms and Formulae

Further Reading

1. What is the name of the force that causes oscillatory motion?

2. An oscillating system is one in which a particle or set of particles

3. What is always true of an equilibrium point of an oscillating system?

4. Periodic motion is motion in which

5. Which of the following is NOT periodic motion?

6. Period is defined as

7. How is frequency of oscillation related to period?

8. What are the units of frequency?

9. What is the relation between angular frequency and period?

10. The amplitude of oscillation is defined as

11. An oscillation is harmonic if

12. Which of the following does not exhibit simple harmonic motion?

13. What is angular frequency of a mass-spring system with mass 2 kg and spring 8 kg?

14. The position of a particle in simple harmonic motion varies with

15. Two identical mass-spring systems are set up side by side. Mass 1 is displaced a distance of 1 m, while mass 2 is displaced a distance of 2 m. What can be said about the periods of each system?

16. What differential equation describes the motion of a mass on a spring?

17. At which point is the acceleration of a simple harmonic system maximum?

18. In simple harmonic motion, acceleration differs in magnitude from displacement by a factor of

19. How is potential energy defined for a mass-spring system?

20. At what point does a simple harmonic system have the maximum kinetic energy?

21. At what point does a simple harmonic system have the maximum potential energy?

22. A mass of 4 kg is oscillating on a spring with constant 1 N/m. It's maximum velocity is 3 m/s. What is its amplitude?

23. In a torsional oscillator the torque exerted by the wire is proportional to

24. The period of a torsional oscillator is given by

25. Using a torsional oscillator we can calculate

26. The net force on a pendulum is proportional to

27. At small angles, sinθ is approximately equal to

28. The period of a pendulum depends on

29. A pendulum can be used to calculate

30. The period of a pendulum is given by

31. Simple harmonic motion can be described as

32. A simple harmonic system and a particle moving in uniform circular motion have the same period. What can be said relating these two motions?

33. The net force felt by a pendulum can be approximated by

34. A force which causes an oscillating system to slow down is called a

35. Damping forces must be proportional to

36. The angular frequency of a damped system must relate to the angular frequency of the corresponding simple harmonic system in what way?

37. The amplitude of a damped system

38. The frequency of a damped system

39. A mass of 2 kg on a spring of constant 4 N/m experiences a damping force with constant b = 4 . What is the angular frequency of the system?

40. The average velocity of a damped system

41. The motion of an oscillating system subjected to an external force is called

42. Resonance occurs when

43. Resonance occurs in a system with no damping when

44. What kinds of objects have natural frequencies?

45. The rising and falling of tides are an example of

46. Which of the following is NOT an example of a damping force?

47. In which system is mechanical energy conserved?

48. Which of the following systems maintain a constant frequency?

49. Why is uniform circular motion not considered an oscillation?

50. At what point in a damped oscillation is the mechanical energy maximum