Chapter 3 Test

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Across
  1. 3. value that remains constant in the horizontal component
  2. 4. any object thrown or launched into the air, moving under the influence of gravity alone
  3. 8. opposite over hypotenuse
  4. 9. projectile motion can only be analyzed when ____ _____ is negligible
  5. 10. shape of a projectile's trajectory
  6. 13. If the projectile is launched at an angle, the _______ ________ MUST be resolved (broken) into its “x” and “y” components
  7. 14. Frequently, determining the projectile’s ____ in the air is essential to computing other aspects of the projectile’s motion
  8. 15. opposite over adjacent
Down
  1. 1. for motion in 2 dimensions ______ must be used to indicate direction
  2. 2. the number of degrees that maximizes horizontal displacement
  3. 5. a branch of mathematics that studies relationships involving lengths and angles of triangles
  4. 6. adjacent over hypotenuse
  5. 7. Vx=∆X/t is for analyzing __________ motion
  6. 8. The X and Y components of a projectile’s motion must be analyzed __________
  7. 11. value that remains constant in the vertical component
  8. 12. projectiles are actually __________ over a longer range
  9. 15. Sort the data given in the problem into ___ columns
  10. 16. the number of degrees that maximizes hang time