science ch. 10

  1. study of matter and energy and the interactions occurring between them
    Physics
  2. scalar representing the total length of the objects path
    distance
  3. objects change in position
    displacement
  4. a vector showing the combined effect of two or more other vectors
    resultant
  5. states that the square of the hypotenuse equals the sum of the square of the legs
    Pythagorean theorem
  6. branch of physics that addresses the effects of forces on matter
    mechanics
  7. the mathematical quantity having both direction and magnitude
    vector
  8. Distance traveled by an object per unit time
    speed
  9. any two objects attract each other through gravitational force
    Law of Universal Gravitation
  10. the gravitational force exerted on an objet near the surface of the earth or any celestial body
    gravity
  11. what means "center-seeking"
    centripetal force
  12. "center-fleeing"
    centrifugal force
  13. resistance arising to an object's motion through a fluid or across a surface
    friction
  14. devices for doing work that we devised to multiply muscle power and enable the construction of theseĀ  otherwise impossible edifices
    machines
  15. measure of how well a machine converts input work into output work
    efficiency
  16. one of the most versatile of the simple machines
    lever
  17. the point in which the beam rest
    fulcrum
  18. combination can be considered a simple machine similar to a circular lever
    wheel and axle
  19. simple machine consisting of a wheel over which a rope or cable passes
    pulley
Author
Rayna
ID
327165
Card Set
science ch. 10
Description
A Beka
Updated