E. Stays unchanged An object travels in a circular path of radius r at a constant speed v. What happens to the object’s acceleration if the radius of the circle is quadrupled and the speed is doubled? A. It doubles B. It quadruples C. It is cut to a half D. It is cut to a quarter E. Stays unchanged An object moves at a constant acceleration a in a circular path of radius r. Which of the following is the velocity? object’s A. B. C. D. E. An object moves around a circular path at a constant speed and makes five complete revolutions in 20 seconds. What is the period of rotation? A. 5 s B. 10 s C. 4 s D. 20 s E. 15 s An object moves around a circular path at a constant speed and makes ten complete revolutions in 5 seconds. What is the frequency of rotation? A. 2 Hz B. 4 Hz C. 6 Hz D. 10 Hz E. 20 Hz An object rotates with a period of 10 s. How many revolutions will it make in 25 s? A. 10 B. 15 C. 5 D. 2.5 E. 2 An object rotates with a frequency of 300Hz. How many revolutions will it make in 15 s? A. 1000 B. 1500 C. 2000 D. 3500 E. 4500 An object rotates with a period of 0.5 s. What is the frequency of rotations? A. 1.0 Hz B. 1.5 Hz C. 2.0 Hz D. 2.5 Hz E. 3.0 Hz An object rotates with a frequency of 50 Hz. What is the period of rotations? A. 0.02 s B. 0.15 s C. 0.25 s D. 0.05 s E. 0.03 s A ball of mass m moves at a constant speed v in circular path with a radius R. Which of the following represents the net force applied on the ball? A. B. C. D. E.
E. Stays unchanged An object travels in a circular path of radius r at a constant speed v. What happens to the object’s acceleration if the radius of the circle is quadrupled and the speed is doubled? A. It doubles B. It quadruples C. It is cut to a half D. It is cut to a quarter E. Stays unchanged An object moves at a constant acceleration a in a circular path of radius r. Which of the following is the object’s velocity? A. B. C. D. E. An object moves around a circular path at a constant speed and makes five complete revolutions in 20 seconds. What is the period of rotation? A. 5 s B. 10 s C. 4 s D. 20 s E. 15 s An object moves around a circular path at a constant speed and makes ten complete revolutions in 5 seconds. What is the frequency of rotation? A. 2 Hz B. 4 Hz C. 6 Hz D. 10 Hz E. 20 Hz An object rotates with a period of 10 s. How many revolutions will it make in 25 s? A. 10 B. 15 C. 5 D. 2.5 E. 2 An object rotates with a frequency of 300Hz. How many revolutions will it make in 15 s? A. 1000 B. 1500 C. 2000 D. 3500 E. 4500 An object rotates with a period of 0.5 s. What is the frequency of rotations? A. 1.0 Hz B. 1.5 Hz C. 2.0 Hz D. 2.5 Hz E. 3.0 Hz An object rotates with a frequency of 50 Hz. What is the period of rotations? A. 0.02 s B. 0.15 s C. 0.25 s D. 0.05 s E. 0.03 s A ball of mass m moves at a constant speed v in circular path with a radius R. Which of the following represents the net force applied on the ball? A. B. C. D. E.
abp_uniform-circular-motion-multiple-choice_2015-10-21.docx