Welcome to your Oscillations - Simple Harmonic Motion(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. A particle executing simple harmonic motion of amplitude 5cm has a maximum speed of 31.4 cm/s. The frequency of its oscillation is? 1Hz 3Hz 4Hz 2Hz None 2. A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of the pendulum at x = a/2 will be 3π²a/T πa/T πa√3 /2T πa√3 /T None 3. Two simple harmonic motions of angular frequency 100 rad/s and 1000 rad/s have the same displacement amplitude. The ratio of their maximum accelerations is 1:10 1:10000 1:1000 1:100 None 4. Below is the expression for: None of the above Displacement Acceleration Velocity None 5. The potential energy of a simple harmonic oscillator when the particle is half way to its end point is E/8 2 E/3 E/4 E/2 None 6. A body is executing SHM. When the displacements from the mean position is 4 cm and 5 cm, the corresponding velocities of the body is 10 cm/s and 8 cm/s. Then, the time period of the body is 2π 3π/2 π π/2 None 7. A simple harmonic oscillator has an amplitude a and time period T. The time required by it to travel from x = a to x = a/2 is T/6 T/3 T/2 T/4 None 8. What happens to time period of a SHM system if you double the amplitude? It doubles since it has twice as far to go It halves It stays the same It is multiplied by 4 None 9. A spring stretches 50 mm when a mass of 0.15 kg is hung from it (g = data sheet). The spring is extended a further 15 mm and released. Its Time Period and maximum acceleration are :- T = 2.8s; a = 76mm/s² T = 14.2s; a = 76mm/s² T = 14.2s; a = 2.9mm/s² T = 2.8s; a = 2.9mm/s² None 10. A linear harmonic oscillator of force constant 2 xN/m and amplitude 0.01 m has a total mechanical energy of 160 J. Its Maximum potential energy is zero Minimum potential energy is 100 J Maximum potential energy is 160 J Maximum potential energy is 100 J None 11. The circular motion of a particle whose speed is constant is __________ Period but not simple harmonic Simple harmonic but not periodic Periodic and Simple harmonic Neither periodic not simple harmonc None 12. A body executes SHM with an amplitude a. At what displacement from the mean position, the potential energy of the body is one-fourth of its total energy ? A/2 A/4 3A/4 Some other fraction None 13. An oscillating system's displacement x/mm is described by the equationx=7 Sin( 8t )Which of the following statements are true about the motion? Frequency 1.3Hz, maximum acceleration 448mm/s² Frequency 1.3Hz, maximum acceleration 56mm/s² Frequency 8Hz, maximum acceleration 64mm/s² Frequency 8Hz, maximum acceleration 56mm/s² None 14. An oscillating spring has its displacement x/mm described by the equationx = 4 cos ( 5t )After 0.5s its displacement and acceleration are:- X = -3.2mm; a = -80mm/s² X = -3.2mm; a = 80mm/s² X = 3.2mm; a = 80mm/s² X = 3.2mm; a = -80mm/s² None 15. The damping force on an oscillator is directly proportional to the velocity. The units of the constant of proportionality are kg/s kgm/s² kgm/s kgs None 16. Which of the following is a simple harmonic motion? Wave moving through a string fixed at both ends Earth spinning about its axis Ball bouncing between two vertical walls Particle moving in a circle with uniform speed None 17. The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of n results in the displacement of the particle along Circle Straight line Figure of eight ellipse None 18. The above graph of a parabola can only be which of the following for a simple harmonic oscillator? Kinetic energy versus displacement graph. Potential energy versus displacement graph Potential energy versus time graph Kinetic energy versus time graph None 19. What is the angular frequency of the oscillation? 2.2. rad/s 3.3 rad/s 1.1 rad/s 4.4 rad/s None 20. What happens to in a SHM system if you double the amplitude? It halves It doubles It is multiplied by 4 It stays the same None 21. In a simple harmonic motion, when the displacement is one-half the amplitude, what fraction of the total energy is kinetic? 3/4 1/4 1/2 Zero None 22. What is the correct formula for the period of the simple harmonic motion of a mass, m, on a spring of constant, k? T = 2π/A√k/m T = 2π√m/k T = 1/2π√m/g T = 2π√l/g None 23. A meatball is hanging by a very long spring above the floor in a very large room and it is oscillating up and down. The kinetic energy is given in the following graph.Suppose the meatball is 100 g, what is the maximum displacement of the meatball? 1.3 m 2.6 m 0.6 m 3.9 m None 24. An oscillating system loses energy to the surroundings and returns to its equilibrium position in the shortest possible time. The best description of this system is:- Chronic Damping Heavy Damping Light Damping Critical Damping None 25. A pendulum is set in motion from rest at t=0 with a displacement of 1.5cm and a time period of 2.0s.Which of the following is true about the motion:- It has a frequency of 0.5Hz and a maximum acceleration of 0.047m/s² It has a frequency of 0.5Hz and a maximum acceleration of 0.15m/s² It has a frequency of 2Hz and a maximum acceleration of 0.047m/s² None 1 out of 25 Time's upTime is Up!