The official blog of Professor Michael Webber's Fall 2013 UGS Course "How Things Work."
Friday, September 13, 2013
Sewing Scissors
The scissors are a combination of two first-class levers to amplify the force applied to the handles and two sharp wedges to reduce the effort necessary to cut thread or fabric.
The scissors are a combination of two first-class levers to amplify the force applied to the handles and two sharp wedges to reduce the effort necessary to cut thread or fabric.
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