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32 Matching questions

  1. point of reference
  2. constant velocity (uniform motion)
  3. variably accelerated
  4. kinematics
  5. terminal velocity
  6. deceleration
  7. average velocity
  8. free fall
  9. rectilinear motion
  10. when the force of air resistance equals the weight of the object
  11. uniformly accelerated
  12. average speed
  13. sign convention
  14. 9.80 m/s^2 (32.2 ft/s^2)
  15. instantaneous velocity
  16. slope
  17. scalar
  18. surface area, mass
  19. translational motion
  20. False
  21. variable velocity
  22. vector
  23. velocity
  24. trend line
  25. instantaneous acceleration
  26. curvilinear motion
  27. gravity and air resistance
  28. acceleration
  29. altitude
  30. displacement
  31. speed
  32. average acceleration
  1. a The slope of the tangent to the curve at a given point on the velocity vs. time graph represents _______ _______.
  2. b An object with a large ____ ___ in relation to its ___ experiences more air resistance.
  3. c term for a change in velocity divided by the time required for the change
  4. d term for the point that all motion is compared to
  5. e the study of motion without regard to force
  6. f term for the fastest velocity at which an object can fall
  7. g Velocity is equal the ___ of the trend line on a graph.
  8. h term for motion involving starts, stops, and maneuvers
  9. i a way of showing positive and negative direction
  10. j term for negative acceleration
  11. k True or False: The value of gravity is greater at a higher altitude.
  12. l term for translational motion along a curved line
  13. m factor that affects the value of gravity
  14. n When the acceleration of an object is constant from one time interval to the next, its motion is _____ ______.
  15. o When the acceleration of an object is not uniform from one time interval to the next, its motion is ____ ______.
  16. p term meaning the distance an object moves per unit of time
  17. q term for any change in velocity per unit time
  18. r the way we describe the straight-line motion of an object that does not actually travel a single direction with constant speed
  19. s term for rectilinear motion with no change in speed
  20. t term for the line drawn through the average positions of the various data points on a graph
  21. u two forces that act on a falling object
  22. v term for the velocity at any given moment in time
  23. w term for any quantity having both a magnitude and a direction
  24. x When does a falling object reach its terminal velocity?
  25. y term for the distance between two points in a straight line
  26. z the value of gravity
  27. aa If an object falling toward the earth has no forces acting on it except gravity (ignoring air resistance), that object is in ___ ____.
  28. ab term for translational motion along a straight line
  29. ac When an object has variable motion, it is convenient to describe its rate of progress along its actual path in terms of ____ ____.
  30. ad term for any quantity that has a magnitude but no direction
  31. ae term for speed in a single stated direction
  32. af term for any change in position