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 

 

1 comment: