Compound lever Compound lever The compound lever is a simple machine operating on the premise that the resistance from one lever in a system of levers will act as power for the next, and thus the applied force will be amplified from one lever to the next (as long as the mechanical advantage for each lever is greater than one). Almost all scales use some sort of compound lever to work. Other examples include nail clippers and piano keys. A lever arm uses the fulcrum to lift the load using and intensifying an applied force. In practice, conditions may prevent the use
Darcy Lever at Darcy Lever. Darcy Lever had little industry other than the coal mining. Many inhabitants not involved in coal mining found employment on the Manchester Bolton and Bury Canal or in the textile mills of Bolton and Farnworth. Today, that situation still exists with most of the working population commuting out of Darcy Lever to work in Bolton, Manchester and other nearby towns. Darcy Lever was not worked for coal as much as nearby Little Lever due to the fact it lay further off the Irwell Valley fault which had uplifted the coal measures making them easier to work. There