Do Elastic Bands Obey Hooke Law

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Do Elastic Bands Obey Hooke’s Law?

Aim; To plan an experiment to investigate if elastic bands obey Hooke’s Law

Prediction; The elastic bands do obey Hooke’s Law

Equipment;

  • Clamp stand
  • Rubber band
  • 50g weights
  • Ruler
  • Clamp

Method;

  • Take one rubber band at random and attach it to a clamp
  • Measure the length of the rubber band and record the length
  • Add weights to the rubber band (50g each time)
  • After each weight is added record the length of the rubber band
  • Keep adding the 50g until the rubber band snap or deforms
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Variables;

  • Weight of the weights

Controls;

Rubber band

  • Height of clamp stand
  • Start point of measuring the length of the rubber band
  • Rubber band

Things that will change due to the experiment;

  • Length of rubber band

Results;

Graph;

Conclusion;

This experiment has proven to me that a stretched rubber band does not apply to Hooke’s Law. This is backed up with the results I have collected and the gradient of the graph I have drawn. If a stretched rubber band was to apply to Hooke’s Law then the length it is stretched would be proportional ...

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This is a 3 star piece of work. There is a base to build on. The practical method would give valid results. The evaluation could be improved upon by talking about more ways to improve on the method used.