1. Which of the following is NOT true about falling bodies? a. All objects tend to fall freely. b. An object thrown upward would also fall down. c. Falling objects are for free. d. Objects thrown upward are decelerated. 2. Which of the following is OT true about acceleration due to gravity? a. Acceleration due to gravity is constant. b. It assumes a positive sign when the object is falling. c. The acceleration due to gravity is equal to 980 m/s 2 . d. There is a negative acceleration if the object is going upward. 3. It is the path travelled by a projectile. a. height c. time of flight b. range d. trajectory 4. Which of the following is a velocity component of a projectile? a. Horizontal component c. both A and B b. Vertical component d. either A and B 5. It is the maximum horizontal displacement covered by a projectile. a. height c. time of flight b. range d. trajectory 6. A ship travels east at a rate of 17 knots for 2 hours. Which of the following is a vector? a. traveled time c. displacement b. speed d. direction 7. When added in the same order as they are written, which of the following lists of displacements have the same resultant? A. 4-km east, 6-km north B. 6-km north, 4 km east, 8 km west C. 4-km east, 8-km west, 6-km north D. 4-km north, 8-km west, 4-km east a. A and B c. A and C b. B and C d. B and D 8. Which of the following pairs can be components of a velocity vector of 30kph east? a. 15-kph east, 15-khp west c. 35-kph east, 5-kph west b. 20-kph east, 10-kph east d. 20-kph east, 10-kph west 9. Which of the following statements is incorrect? a. All vectors have directions. c. All vectors have magnitudes. b. All scalars have directions. d. All scalars have magnitudes. 10. Which of the following pairs will not yield a resultant of 6 N? a. 3 N and 3 N c. 10 N and -4 N b. 2 N and 4 N d. 10 N and 4 N