What is the Young Modulus of Nylon Rope?

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Homework Help Overview

The discussion revolves around determining the Young's modulus of nylon rope, specifically focusing on the creation of a stress-strain graph. Participants explore the methods for obtaining stress and strain values and the implications of Young's modulus in practical applications.

Discussion Character

  • Exploratory, Assumption checking, Problem interpretation

Approaches and Questions Raised

  • Participants question whether to create an accurate graph or a general representation of stress vs. strain. There is also a suggestion to conduct an experiment to gather data rather than relying solely on online values.

Discussion Status

The discussion is active with various interpretations being explored. Some participants offer guidance on conducting experiments, while others express uncertainty about the requirements of the task. No consensus has been reached regarding the best approach to obtain the necessary data.

Contextual Notes

There is mention of a practical exercise or coursework context, and some participants note the challenge of finding specific values for Young's modulus online. Additionally, assumptions about the relationship between Young's modulus and the material's properties are being discussed.

silverfox2007
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Homework Statement


The problem is that I do not have a way of making a nylon rope young modulus stress/strain graph I did not know is anyone would be able to help me obtain the information on the stress and strain or if your feeling really nice make me up a graph!

young modulus = stress
strain


thankyou to anyone who comes out with this answer
 
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I do not get what you are supposed to do...just draw a stress vs. strain graph for a nylon rope? As in get accurate values and draw or just make a general shape?
 
Whats this part of? You should be able to find values for the young modulus online (gradient of your graph) and I *think* it goes through zero.
If its a practical exercise or part of coursework, then do the experiment.. hehe.
 
A change of subject!

this is a bit of a change of question but last night I was a tad tired and didn't quite ask the right qestion. what I am trying to say is how do you work out how much a rope will hold if you fell off a drop of say 40m? I assume this is to do with young's modulus but I have trawlled the internet trying to find and answer

thanks
 
As YM is the same for any shape/size of material, why don't you conduct as experiment with the nylon and weights? YM will tlel you how stiff the material is i.e. the high the YM, the stiffer the material. E.g. carbon fibre has a YM of about 125 GPa, and it is very stiff in comparison to wood, which has a YM of about 11GPa.
 

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