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of 32 available terms

### 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