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Transcript
Circular and Simple Harmonic Motion Test Review Sheet 1. The time taken to complete one cycle or oscillation is called the ____________________. 2. Motion back and forth over the same path in equal intervals of time is called ____________________. 3. The number of cycles per unit of time is called the _______________. 3. The force that keeps an object moving in a circular path is the _______________________. 4. If a pendulum goes too slowly we should make it _____________________. 5. If a pendulum goes too quickly we should make it ______________________. 6. What factors determine the period of an object on a spring?_____________________________ 7. What factors determine the period of an object on a pendulum?__________________________ 8. How is the direction of the force keeping an object in circular motion related to the direction of the object’s velocity?__________________________________________ 9. How is the direction of the force keeping an object in circular motion related to the direction of the object’s acceleration?_______________________________________ 10. A car is traveling around a curve that has a radius of 400 m. Its velocity is 30 m/s. It’s weight is 15630 newtons. What is its centripetal force? What is its centripetal acceleration? 11. A toy race car track is in the form of a vertical circle. The radius of the circle is 0.4 m. What is the minimum velocity needed for the car to stay on the track? 12. Find the period of a simple pendulum (at sea level) whose mass is 4 kg, length is 1.6 meters, and arc of swing is 6 degrees. 13. A force of 3 lbs is applied to a spring. The spring stretches 0.5 ft. What is the spring constant? What is the period of oscillation? 14. An object is oscillating on a spring. At what positions is its velocity zero? At what positions is its velocity a maximum value? At what positions is the net force zero? At what positions is the net force a maximum value?