Tuesday, 11 December 2012

Simple Machines

Simple Machines
A simple machine is a  device for altering a force.

Simple Machines: lever, bar, pulley, inclined plane, screw, wheel, axle and wedge.

1. Lever:: A lever moves on a fulcrum
      2.   Wheel:    A wheel spins around an axle.
3.   Pulley: A pulley is a wheel with a rope.
4. Inclined plane:
5. Wedge

6. Screw 

7. Axle 


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