A lever is a machine consisting of a beam or rigid rod pivoted at a .... for the 1st
class lever, the r esistance is in the middle for the 2nd class lever, and the e ffort
is in the middle for the...
Jul 11, 2014 ... Lever systems operating at a mechanical advantage and a ... In a second-class
lever, the effort is applied at one end of the lever and the ...
www.ask.com/youtube?q=2nd Class Lever Systems&v=eTa2EFd3JF0
Sep 28, 2013 ... Explain why the second class lever at the ankle joint is the most ... but a small
corretion a clawhummer nail system is a second class lever.
www.ask.com/youtube?q=2nd Class Lever Systems&v=qFdW679DhAk
Dec 22, 2011 ... I've explained each component of a lever system with special attention to
examples of a third class system, the most common one in the human ...
While less common in the body than second and third class levers, the first class
lever system is found in the neck at the atlanto-occipital joint and in the elbow ...
Levers | First | Second | Third | Length | Variable ... Note: shovelling and rowing
actions can also be first class lever systems if the hand closes to the force ...
Jun 28, 2013 ... Examples within the body 1st class 2nd class 3rd class Lengths of levers ...
Identify and name the lever system • E.g write down 3rd class.
The first class lever uses the fulcrum in between the applied force and load, the
second class lever uses the load between the fulcrum and applied force and the
Examples of second class levers include doors, staplers, wheelbarrows and can
openers. In a second class lever, the load is found between the effort and the ...
According to Ohio University, there are three main classes of levers. These are
distinguished by the relative locations of the load, effort and fulcrum along the ...