The work done and the force applied is proportional to x^2. Option E
What is Hooke's law?
Hooke's law states that, the as long as the elastic limit is not exceeded the extension is directly proportional to the force applied. Given that there is an extension when a force is applied to the rubber , the weight is proportional to the extension x. Option C
For the second question, we know that the work done is given by W = 1/2 Fe^2 thus the relationship between the work done and the force applied is proportional to x^2. Option E.
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