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

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Introduction

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. ...read more.

Middle

Conclusion

2) Parallax error was avoided were placed perpendicularly with the reading/meter rule. Improvements: 1) In order to make sure that there were no fluctuations in the elastic band, an interval of a minimum of a minute should have been allowed. 2) A pointer should have attached to the load in order to reduce parallax errors. Mistakes: 1) After new weights were added, there were fluctuations in the elastic band whereby imprecise readings could have been noted. 2) The needle could not have been totally perpendicular to the meter rule hence parallax error could have occurred. Conclusion: Elastic limit was not overtaken as the loading and unloading readings were relatively equivalent. For instance, the experiment performed seemed to have obeyed Hooke's law. ?? ?? ?? ?? Physics Lab Report Elasticity ...read more.

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