holding power of nails

daughejo · Post by **daughejo** » Thu Oct 30, 2008 10:55 am

I need to figure out how to measure the force needed to pull a nail out of wood

ChrisG · Post by **ChrisG** » Thu Oct 30, 2008 9:21 pm

Hi daughejo,
An easy way to measure force is with a spring scale.
http://en.wikipedia.org/wiki/Spring_scale
You might also need to use a lever if the force needed to pull the nail is greater than the maximum force measurable by the scale.
I hope that helps!
Please feel free to add more info and ask more questions.
Chris

daughejo · Post by **daughejo** » Wed Nov 05, 2008 10:20 am

what are some keywords for physical science

ChrisG · Post by **ChrisG** » Wed Nov 05, 2008 10:48 am

Hi,
I merged this new topic with your previous topic so that experts can see more about your project.
Can you explain a little more about your "keywords" question? I'm not sure what you are trying to learn or do.
Thanks,
Chris

Craig_Bridge · Post by **Craig_Bridge** » Wed Nov 05, 2008 12:18 pm

If you are asking about what key words to use to research the holding power of nails, try "hoding power of nails". One article that comes up is http://books.google.com/books?id=O6UJAA ... &ct=result which references some work done in the 1890's. The F. W. Clay work at Cornell University College of Civil Engineering is instructive.

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