Physics Midterm

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Author:
yellowfreak516
ID:
58512
Filename:
Physics Midterm
Updated:
2011-01-07 00:59:59
Tags:
physics
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Description:
Vocabulary
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  1. a simple physical quantity that is not changed by coordinate direction
    SCALAR
  2. a straight line segment whose length is magnitude and whose orientation in space is direction
    VECTOR
  3. a physical length
    DISTANCE
  4. shortest distance from the initial and final positions
    DISPLACEMENT
  5. distance travelled per unit time
    SPEED
  6. rate of change of position (m/s)
    VELOCITY
  7. change in velocity over time
    ACCELERATION
  8. The speed of an object at one instant of time
    INSTANTANEOUS SPEED
  9. The overall rate of speed at which an object moves
    AVERAGE SPEED

  10. vertical motion of an object falling a small distance close to the surface
    FREE FALL
  11. the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force
    INERTIA
  12. push or pull
    FORCE
  13. force between two objects (or an object and a surface) that are in contact with each other
    CONTACT FORCE
  14. interaction of two objects which are separated in space with no known mediator of the interaction
    ACTION AT A DISTANCE
  15. force resisting the relative lateral (tangential) motion
    FRICTIONAL COEFFICIENT
  16. a vector that is the sum of two or more other vectors
    RESULTANT

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