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Using the results from your experiment, plot the graph of extension against force.

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Which of these statements is correct?

Extension is inversely proportional to load
Extension is directly proportional to load
Extension is directly proportional to the square of the load
Extension is unrelated to the load

Hooke's Law states that the tensile strain is directly proportional to tensile stress during elastic deformation.

 [ Hooke's Law - Graph applet ]
 

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