1. The motion of an object can be varied depending upon how it is thrown. Which of the following is the motion of an object thrown or projected into the air? A circular B. projectile C. translational D. vibrational 2. Which of the following terms is used to refer to the object thrown or projected into the air? A. missile B. particle C. projectile D. rocket 3 An object thrown into the air has a path. Which of the following terms is appropriately used to refer to this path? A cosmic ray B. curve C. parabola D. trajectory 4. The motion of an object projected into the air accelerates due to gravity. Either downward or upward the acceleration is constant. Which of the following is the value of acceleration due to gravity? A. 0.98m/s B. 9.08m/s C. 9.68m/s D. 9.8m/s? 5. Which of the following properties of projectile does the symbol, V, represent? A. height B. horizontal velocity C. range D. time 5. When does the vertical velocity, Vy, of a projectile become zero? A. when an object is a free-falling B. when maximum height is reached C. when initial velocity is 1m/s? D. when projectile is light 7. Which of the following is the entire duration while the projectile is at its trajectory? A. acceleration B. speed C. time of flight D. velocity 8. Which of the symbols represents the final horizontal velocity? A.Vfx B.Vix C. Vfy D Viy 9. Which of the following is true about the speed of a projectile that travels horizontally? B. varies A. constant D. cannot be determine C. increases regularly 10. A projectile has displacement in either of the two components. Which of the following is referred to as the distance travelled horizontally by the object? B. range 4. height C. speed D. velocity
