energy

Card Set Information

Author:
LaurenCamp29
ID:
156514
Filename:
energy
Updated:
2012-05-30 17:30:23
Tags:
energy
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Description:
energy
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  1. 6 simple machines
    wedge, screw, pulley, lever, inclined plane, wheel &axle
  2. the product of the force applied to an object and the distance the object moves in the direction of that force
    work
  3. What needs to be done in order for something to be considered work
    • There must be a force on the object and the object had to have moved some distance
    • the distance moved must be in the direction of the force
  4. Unit of work?
    Joule (j)
  5. When you're carrying an object, moving it horizontally are you doing any work?
    No.
  6. Is work done when lifting an object?
    Yes.
  7. If force and distance are in the same direction...
    + work
  8. if force and distance are in the opposite direction
    -Work

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