11. A rock attached to a string swings in a vertical circle. At the highest point,
12. A satellite moving in a circular orbit around Earth and maintaining a constant speed will experience a
13. A small car is being driven in a circular path at constant speed on a horizontal surface. What is the direction of the frictional force that keeps the car from skidding as it travels along this path?
14. A stone is tied to one end of a string. Holding the other end, the string is whirled in a horizontal plane with progressively increasing speed. It breaks at some speed because
15. A tin can whirled on the end of a string moves ina circle because
16. After closing a deal with a client, Kent leans back in his swivel chair and spins around with a frequency of 0.8 Hz. What is the period of Kents spin?
17. An airplane is taking a turn in a horizontal plane
18. An object moves in a circle with a period of 0.025 hours. What is its frequency in Hz?
19. Applying a force to an object perpendicular to its direction of motion will cause the object to
20. Decreasing the mass of an object on a circular path but keeping its velocity and radius constant
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