Worksheet “Period of Pendulum”

1. Worksheet “Period of Pendulum” • 1. Which of the following is not an example of approximate simple harmonic motion? • a ball bouncing on the floor • a child swinging on a swing • a piano wire that has been struck • a car’s radio antenna waving back and forth 5. Label each part of the A-D. 6. What is the amplitude of the wave?____________. 7. How many cycles are represented in the wave? 8. What is the Frequency and Period of the Wave? 9. If metronome swings back and forth 10 time in 45 seconds. What is the frequency and period of the metronome? For problem 10-13. Show your work on a separate sheet of paper. What is the period of pendulum with string length of 0.45cm and bob mass of .025kg on earth? What is in problem 10, the location is now on planet whose acceleration due to gravity is half of earth’s.? What is the period of pendulum on planet Y, whose gravity is 3.4 m/s2. The length of the string is 2.5m. What happens if you increase the length of the strength to 5.0m. Show your work. 13. What is the period of pendulum on earth whose length is 20.0cm? 2. Vibration of an object about an equilibrium point is called simple harmonic motion when the restoring force is proportional to ________________ 3 . For a system in simple harmonic motion, the time required to complete a cycle of motion is ____________ 4. For a system in simple harmonic motion, the number of cycles or vibrations per unit of time is ____________. Use the diagram below to answer #5 – 8 10 5 Time (s) Displacement (m) 0 2 6 4 -5 -10