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SPRINGS

V. Ryan 2002

 

Springs are available in a large variety of shapes and sizes. Almost everyone will have either used a springboard at a swimming pool to dive into the water. The springboard may be made from laminated wood (layers of wood glued together) or be a more modern glass fibre type material. The result is the same - the diver uses his/her weight to spring off the board into the air.

Springs have a very wide range of uses and it is difficult think of a mechanical device without one or more of them.

Springs perform different actions and some examples are seen below. Some restrict stretching whilst others restrict compression.

   

SPRING RESISTING STRETCHING

SPRING RESISTING COMPRESSION
   

Look at the examples of springs. Can you think of any real mechanisms that includes springs like these? If so, draw them and explain how they are used.

SPRING THAT RESISTS TWISTING

 
   

 

   
Springs are used in engines, motors, watches, clocks, door handles, locks, pens etc...

Choose a simple mechanism and dismantle it. Study how any springs work and draw diagrams to represent the movement involved (add explanatory notes).

List some materials that have 'spring' in them (example - a plastic ruler).

   

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