Jennifer (gaaneden) wrote,
Jennifer
gaaneden

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Super Geek Question

Ok. I was chatting with Monte about my physical therapy and how much it hurt. I was amazed at how much the extra one pound weight on my ankle. He reminded me about weight and leverage and how it's like the trick of taking an 8 lb sledge hammer and holding it head out, with a straight arm, holding only the very end of the handle. That's way more than eight pounds.

However, knowing this, I don't know the math to figure out how much weight my upper legs are actually lifting. So, given that my legs are about 30 inches long and having a one pound weight on my ankle, can you tell me what the math is to figure this out and about how much I end up lifting?
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