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To determine the elasticity of an elastic band by applying Hookes law.

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  • Essay length: 573 words
  • Submitted: 17/04/2010
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GCSE Forces and Motion

The first 200 words of this essay...

Aim: To determine the elasticity of an elastic band by applying Hooke's law.

Hypothesis: Hooke's Law states that the extension of an elastic body is directly proportional to the force exerted on it. However, this is only when the force does not exceed the elastic limit which would result in the deformation of the body.

Apparatus:

1) Retort stand

2) Clamp

3) Meter rule

4) Varied loads

5) Elastic band.

Diagram:

Procedures:

1) The apparatus are set up as per the diagram above except for the loads.

2) The original length of the elastic is then noted using the meter rule.

3) A mass of 20 g was then attached to the bottom of the elastic band allowing it to be hanged in air and the new length is noted.

4) The new length is then subtracted from the original one to get the extension.

5) Steps 3 and 4 are repeated variously for with new loads each time.

6) The above step is then repeated but by removing loads instead of adding then

7) In the end we are left with

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