MadSci Network: Physics

Subject: Why did the string break differently?

Date: Wed Sep 17 20:07:21 2003
Posted by Rachel
Grade level: 7-9 School: Winamac Community Middle School
City: Winamac State/Province: IN Country: USA
Area of science: Physics
ID: 1063847241.Ph

We had a science demonstration in school today. We hung a string from the 
ceiling and then tied a weight to it, we then tied an identical piece of string 
to the weight and let it hang. we pulled on the bottom string and the bottom 
string broke near it's top. we took the remaining piece of this string and 
retied it. Again we pulled it and this time the top string broke. I know it has 
to do with force, but I'm having trouble explaining why. Can you help?

Re: Why did the string break differently?

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