# AP Physics Simple Harmonic Motion Multiple Choice Questions

The following are the AP Physics Simple Harmonic Motion Multiple Choice Questions, for testing the grasp of a student on the topics of Oscillations.

01. Assumptions of Simple Pendulum: The bob is small and heavy and the string is weightless and ___________

02. Length of a Second’s Pendulum is constant, equal to _____
(a)  g/2π
(b)  g/2π²
(c)  g/4π
(d)  g/π²

03. A physical quantity which gives the state of oscillation of a particle performing SHM at time (t = 0) is called the ____ of SHM

04. True or False: The bob in a Conical Pendulum performs Linear SHM

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05. A simple pendulum whose period is two seconds is called ______ Pendulum

06. True or False: Time period of Conical Pendulum depends on Length and weight of bob

07. In Damped Oscillations, the ___________ keeps decreasing continuously.

08. Angular speed (ω) of a Second’s Pendulum is
(a) equal to 2π
(b) greater than π
(c) less than π
(d) equal to π

09. Total energy in a Damped Oscillations  ______ with time.
(a) Increases Linearly
(a) Decreases Linearly
(a) Increases Exponentially
(a) Decreases Exponentially

10. The velocity of a spring-mass system at mid-position (when x=a/2) is _____ aω
(a) (√3/4)
(b) (√3/8)
(c) (√5/8)
(d) (√3/2)

11. The total energy of a spring-mass system at any position is __________

12. Law of Length: The period of simple pendulum is directly proportional to ________ of its length

13. The expression {2π√((L cosθ)/g)} represents the physical quantity _____ in case of conical pendulum

14. A physical quantity which gives the state of oscillation of a particle performing SHM at any instant is called the _____ of SHM

15. Frequency of a Second’s Pendulum is ___ Hz

16. True or False: Assumptions of Simple Pendulum: The bob moves in straight line; its motion is Linear Simple Harmonic Motion

17. The Maximum velocity in a Second’s Pendulum is _____

18. Law of Isochronous: The period of simple pendulum does not depend upon its _______

19. Range or Path Length of Simple Harmonic Motion is equal to _____ its amplitude

20. Define Periodic Motion.

21. The kinetic energy of a spring-mass system at mid-position (when x=a/2) is _____ ka²
(a) (1/2)
(b) (3/8)
(c) (5/3)
(d) (2/3)

22. In case of simple pendulum, in real situations, the oscillations are damped oscillations because of _________ and _________

23. The expression {(1/2)k(a² – x²)} represents the physical quantity _____ in Linear SHM

24. Name the motion in which a body moves to and fro repeatedly about a fixed point (called mean position) in a definite interval of time.

25. True or False: Linear SHM is a linear, periodic, oscillatory motion.

26. Law of Acceleration due to gravity: The period of simple pendulum is inversely proportional to ___________ of acceleration due to gravity

27. The equation describing Linear Simple Harmonic Motion (Linear SHM) is
(F = Restoring Force, k = constant, x = displacement)
(a)  F = k x
(b)  F = – k x²
(c)  F = – k √x
(d)  F = – k x

28. Law of Mass: The period of simple pendulum __________ its mass.
(a) directly proportional to
(b) inversely proportional to
(c) does not depend upon
(d) directly proportional to square-root of

29. The expression {asin(ωt + α)} represents the physical quantity _____ in Linear SHM
(a) Velocity
(b) Speed
(c) Displacement
(d) Acceleration

30. In real situations, the oscillating system must do ______ to overcome the resisting force

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## Answers: AP Physics Simple Harmonic Motion Multiple Choice Questions

01. Inextensible
02. (d) g/π²
03. Epoch
04. False {It performs Uniform Circular Motion (UCM)}
05. Second’s
06. False {It depends on Length and angle of inclination}
07. amplitude
08. (d) equal to π
09. (d) decreases exponentially
10. (d) (√3/2)
11. (1/2) ka² {Total energy is constant; conserved}
12. square root
13. Time Period
14. Phase
15. 0.5
16. True
17. aπ
18. amplitude
19. Twice {Range = 2a}
20. A motion that repeats itself, in equal intervals of time on the same path is called as periodic motion.
21. (b) (3/8)
22. Air Resistance and friction at support
23. Kinetic Energy
24. Oscillatory or Vibratory Motion:
25. True
26. square root
27. (d) F = – k x
28. (c) does not depend upon
29. (c) Displacement
30. Work