Part 1: Select the best answer motion 1. Graph [A] represents ........... v. a. Negative constant acceleration you-I. - HOV in . I'lc . b. Positive constant acceleration u. .9. c. Changing acceleration d. Zero acceleration 2. If the instantaneous acceleration is equal to average acceleration of an object, what can you say about the ofthis object: a. The object is moving with constant velocity. c. The object is moving with constant . . . . . acceleration. b. The object Is moving With changing acceleration. d. None ofthe above. 3. If the acceleration of an object is zero; that means a. The net forces is zero. c. The object moves with constant velocity. b. The forces acting on it are balanced. d. All of the above. 4. In the following free body diagram, the direction of the acceleration is to the ....... a. East c. North b. West d. South 5. Suppose you are standing in an elevator that is accelerating downward. The magnitude of the normal force....... a. Increase c. Remain constant b. Decrease d. Equal to the gravitational force. 6. Terminal velocity is a constant velocity that is reached when a. The drag force equals the force of gravity. c. The drag force smaller the force of gravity. b. The drag force greater the force of gravity. d. The drag force equals the normal force. 7. Force of gravity is an example of a a. normal force. c. applied force. b. contact force. d. field force. 8. In the following Acceleration-Force graph the slope is equal to a. m c. 11m b. Fg d4 3 9. In the previous Acceleration-Force graph the mass of the object equal to: a. 7 kg c. 0.15 kg b. 5 kg cl. 0.25 kg 10. If you weigh 856 N on earth, what is your mass? a. 102 kg c.8389 kg b. 856 kg cl. 87 kg