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IPS Chapter 12

The flashcards below were created by user powder912 on FreezingBlue Flashcards.

  1. What is force?
    a push or a pull
  2. What are balanced forces?
    forces that are equal in size but opposite in direction
  3. What are unbalanced forces?
    forces that cause a change in the motion of and object
  4. What is gravity?
    a force of attraction between all objects in the universe
  5. What is a Newton?
    the SI unit of force
  6. What is friction?
    a force that opposes the motion of an object
  7. What is lubricant?
    a material that reduces friction
  8. What is air resistance?
    a force that opposes the movement of an object in air
  9. What is terminal velocity?
    it is the speed at which air resistance and gravity acting on a falling object are equal
  10. What is a vacuum?
    an empty space
  11. What is pressure?
    the force per unit area
  12. What is air pressure?
    pressure caused by the force exerted by earth's atmosphere
  13. What is a barometer?
    an instrument used to measure air pressure
  14. What is bernoulli's principle?
    as the speed of a fluid increases its pressure decreases
Author:
 powder912
ID:
 110139
Card Set:
 IPS Chapter 12
Updated:
2011-10-19 13:57:26
Tags:
IPS 12
Folders:

Description:
SCIENCE VOCAB AND OTHER TEST QUESTIONS
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