Welcome to your Oscillations - Simple Harmonic Motion(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. A long pendulum has a time period of 10 s. If the bob is displaced 2 m from the equilibrium position and released, how long will it take to move 1 m?5.34 seconds1.67 seconds2.67 seconds1.24 seconds2. Which statement best describes simple harmonic motion?An oscillation that gets quicker and quicker.An oscillation with a fixed period and fixed amplitude.An oscillation that increase in amplitude over time.An oscillation with fixed period and amplitude which varies over time.3. A particle executing simple harmonic motion of amplitude 5cm has a maximum speed of 31.4 cm/s. The frequency of its oscillation is?3Hz4Hz2Hz1Hz4. In a simple harmonic motion, when the displacement is one-half the amplitude, what fraction of the total energy is kinetic?1/4Zero1/23/45. A particle undergoes simple harmonic motion with the angular velocity of 7 rad/s and amplitude of 2 m. It starts with maximum forward amplitude at time t = 0. Find the acceleration at time t = 6s.9.81 m/s/s82.4 m/s/s39.2 m/s/s1.23 m/s/s6. A particle undergoes simple harmonic motion with angular velocity of 3 rad/s and amplitude of 30 cm. It starts with maximum forward amplitude at time t = 0. Find the velocity at time t = 2 s. 0.545 m/s0.114 m/s3.21 m/s0.251 m/s7. A particle executes linear simple harmonic motion with an amplitude of 3 cm. When the particle is at 2 cm from the mean position, the magnitude of its velocity is equal to that of its acceleration. Then, its time period in seconds is√5/π√5/2π2π/√54π/√58. 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 is1:10001:101:100001:1009. The circular motion of a particle whose speed is constant is __________Period but not simple harmonicNeither periodic not simple harmoncPeriodic and Simple harmonicSimple harmonic but not periodic10. 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?3.9 m2.6 m1.3 m0.6 m11. A student looking after his twin baby sisters, Mary and Jane, decides to take them to the swings. Each swing has a time period of 3.2s. He releases Mary from an amplitude of 1.2m just 0.8s before he releases Jane from an amplitude of 1.0m. Which of the following is true when Mary is at maximum amplitude:-They have a phase difference of pi/2 and a separation of 1.2mJane is moving slower than MaryThey have a phase difference of pi and a separation of 1.2mThey have a phase difference of pi and a separation of 1.0m12. 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 DampingCritical DampingHeavy DampingLight Damping13. A mass m is vertically suspended from a spring of negligible mass, the system oscillates with a frequency n. What will be the frequency of the system, if a mass 4m is suspended from the same spring ?2nn/24nn/414. 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 ?3A/4Some other fractionA/2A/415. Below is the expression for:VelocityDisplacementNone of the aboveAcceleration16. Which of the following situation is possible?A pendulum always has the same difference of kinetic energy and potential energyA pendulum always has the same sum of kinetic energy and potential energy.A pendulum always has more potential energy than kinetic energyA pendulum always has more kinetic energy than potential energy17. A 5 kg mass undergoes simple harmonic motion on spring with constant 70 N/m. If the amplitude of the oscillations are 3 m, what will the maximum speed be?11.2 m/s10.3 m/s14.6 m/s17.1 m/s18. Two simple pendulums of length 0.5 m and 2.0 m respectively are given small linear displacement in one direction at the same time. They will again be in the same phase when the pendulum of shorter length has completed oscillations132519. 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 = 2.9mm/s²T = 14.2s; a = 2.9mm/s²T = 2.8s; a = 76mm/s²T = 14.2s; a = 76mm/s²20. A fly of 2 g is flying at a speed of 5 m/s across the room. A spider of mass 100g is hanging underneath a line at rest. The fly flew by the spider and is eaten. Thus the spider starts to oscillate underneath the line. What is the maximum height they will reach? 0.0003 m0.0002 m0.0004 m0.0005 m21. When a pendulum is at its equilibrium point, which of the following statement is correct?It is at 0 velocity and highest potential energyIt is at the maximum velocity and highest potential energyIt is at the maximum velocity and lowest potential energyIt is at 0 velocity and lowest potential energy22. A particle undergoes simple harmonic motion with an angular velocity of 5 rad/s and an amplitude of 50 cm. It starts with maximum forward amplitude at time t = 0. Find the displacement at time t = 10 s.0.482 m0.438 m0.321 m0.500 m23. 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√l/gT = 2π√m/kT = 1/2π√m/gT = 2π/A√k/m24. What happens to time period of a SHM system if you double the amplitude?It halvesIt doubles since it has twice as far to goIt is multiplied by 4It stays the same25. The damping force on an oscillator is directly proportional to the velocity. The units of the constant of proportionality arekg/skgskgm/skgm/s²26 out of 25Time is Up!