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October 21, 2025, 04:39:09 pm
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Author Topic: young modlus  (Read 1153 times)  Share 

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götze

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young modlus
« on: June 16, 2013, 06:19:32 pm »
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We did a experiment on hookes law and young modulus. The usual hang mass on hook which is stuck on to a rubber band. From this we need to calculate the extension, k stress and strain and young modulus. The graphs for our hookes law and young modlus are the same shape by this i mean linear. So how do i explaing why the graphs are linear for young modulus ?
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thushan

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Re: young modlus
« Reply #1 on: June 16, 2013, 06:27:47 pm »
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You know that F = -kx. Use the definitions of stress and strain, and the formula, to show that stress = constant x strain. That'd explain why the graph is linear.
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götze

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Re: young modlus
« Reply #2 on: June 16, 2013, 06:40:22 pm »
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Could you give me an example not really sure how to express it
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