Hooke’s law cannot perfectly predict the relationship between stress and strain of materials.

As we have learned in this unit, Hooke’s law cannot perfectly predict the relationship between stress and strain of materials. See Figure 10.33 under Section
10.8 in the textbook. Can you provide your opinion why the materials behave like this on the elastic limit? Do you think we need new physics to explain that?
Share your idea with other students.
Please include the name of the person or question to which you are replying in the subject line. For example, “Tom’s response to Susan’s comment.” If you
agree or disagree on the subject that you’re replying to, please show your own opinion clearly based on your own experience/thought why you
agree/disagree.
Reply to:The way I understand Hooke’s law is in relation to bungie jumping. Putting stress on the line as the person or persons are jumping from a base is
putting stress on the bungy cord and is putting the cord to it’s elastic limits. This would tell us that the applied force to the cord is applied but not exceeding
the limits of the cord itself. Through the use of Hooke’s law, engineers and designers are able to use this law to calculate the length of the cord given the
weight of the individual, so that the cord is not to long that it will stretch to far to reach the bottom before it springs backup. This is truly an important law to
ensure that you don’t over stretch or over stress the limits of the cord. Calculating the limits of force that is applied to an object and the strain it will put on an
object is truly what Hooke’s law is intended for.

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