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Inclined Planes
     Screws
    Wedges
What is an inclined plane?
   An inclined plane is a form of simple
    machine that consists of a slanted
    surface al...
Length and Height of Inclined
               Planes
   It is easier to move an object up a
    more sloping (longer in le...
Why do you use an inclined plane?
   Incline planes reduce the effort
    needed to carry something over a
    long dista...
Examples of Inclined Planes
More Examples of Inclined Planes
What is a screw?
   A screw is a simple machine
    consisting of a pole or rod with an
    inclined plane wrapped around...
Common Examples of Screws
What is a wedge?
   A wedge is another version of the
    inclined plane. Usually it is thought
    of as two inclined pl...
Common Examples of Wedges
Inclined Plane, Wedge, or Screw?
Name the Simple Machines Used
Inclined Planes Screws Wedges
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Inclined Planes Screws Wedges

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Transcript of "Inclined Planes Screws Wedges"

  1. 1. Inclined Planes Screws Wedges
  2. 2. What is an inclined plane?  An inclined plane is a form of simple machine that consists of a slanted surface along which objects are easier to push upward that to lift straight up.  A ramp and stairs are both examples of inclined planes.
  3. 3. Length and Height of Inclined Planes  It is easier to move an object up a more sloping (longer in length) inclined plane than it is to move the same object up a steeper (shorter in length) inclined plane.  Example: It would be easier to ride a bike up a longer but shorter hill. Steep Sloping Hill Hill
  4. 4. Why do you use an inclined plane?  Incline planes reduce the effort needed to carry something over a long distance or to raise something to a higher level.
  5. 5. Examples of Inclined Planes
  6. 6. More Examples of Inclined Planes
  7. 7. What is a screw?  A screw is a simple machine consisting of a pole or rod with an inclined plane wrapped around it.  Screws are used for holding things together (wood screws), drilling holes in things (drills), and lifting things (car jacks).
  8. 8. Common Examples of Screws
  9. 9. What is a wedge?  A wedge is another version of the inclined plane. Usually it is thought of as two inclined planes put back to back.  Wedges help us cut things, chop things, and split things apart. They are also used to hold things in place.  Axes, knives, and scissors are all wedges.
  10. 10. Common Examples of Wedges
  11. 11. Inclined Plane, Wedge, or Screw?
  12. 12. Name the Simple Machines Used
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