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Simple Machines

Some provide a mechanical
advantage to help do work with less
effort.
Lever

• Two parts to the lever are the bar and fulcrum
Lever (cont.)

• The greater the distance between the fulcrum and
the effort, the easier the load can be moved.
Lever (cont.)

• The mechanical advantage is distance from
fulcrum to effort divided by the distance from
the fulcrum to t...
Lever Examples
Wheel and Axle

• Two parts to this simple machine are the
wheel and axle.
Wheel and Axle (Cont.)

• The greater the diameter of the wheel, the
easier the load can be moved.
Wheel and Axle (Cont.)

• The mechanical advantage is the diameter of
the wheel divided by the diameter of the axle.
Wheel and Axle Examples
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Science fair

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Transcript of "Science fair"

  1. 1. Simple Machines Some provide a mechanical advantage to help do work with less effort.
  2. 2. Lever • Two parts to the lever are the bar and fulcrum
  3. 3. Lever (cont.) • The greater the distance between the fulcrum and the effort, the easier the load can be moved.
  4. 4. Lever (cont.) • The mechanical advantage is distance from fulcrum to effort divided by the distance from the fulcrum to the load.
  5. 5. Lever Examples
  6. 6. Wheel and Axle • Two parts to this simple machine are the wheel and axle.
  7. 7. Wheel and Axle (Cont.) • The greater the diameter of the wheel, the easier the load can be moved.
  8. 8. Wheel and Axle (Cont.) • The mechanical advantage is the diameter of the wheel divided by the diameter of the axle.
  9. 9. Wheel and Axle Examples
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