Levers. Common Levers
Description
This section is from the book "Scientific American Reference Book. A Manual for the Office, Household and Shop", by Albert A. Hopkins, A. Russell Bond. Also available from Amazon: Scientific American Reference Book.
Levers. Common Levers
Angular Or Bellcrank Levers
Wheel And Axle Or Revolving Levers
P = Power W=WElGht F=Fulcrum p = Power Arm And W = Weight Arm P = WxW/P And W=Pxp/u'
Copyright, 1904, by Munn & Co.
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