A lever is a machine consisting of a beam or rigid rod pivoted at a fixed hinge, or
fulcrum. ... This sprang from the stem of the verb lever, meaning "to raise". ....
middle for the 2nd cl...
According to Ohio University, there are three main classes of levers. ... A second-
class lever is one in which the load, or the item being lifted, is found between the
effort and the fulcrum, or pivot point. ... How do I define mechanical energy? Q: ...
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 ...
A second-class lever is a stick where the fulcrum is at one end of the stick, you
push on the other end, and the weight is in the middle of the stick. Some common
Second Class Lever. Load or. Resistance. Effort or. Applied Force. Fulcrum. Load
. Applied. Force. Force. Action. Force. Action. Other First Class. Lever Examples.
Levers | First | Second | Third | Length | Variable ... Definitions ... Note: shovelling
and rowing actions can also be first class lever systems if the hand closes to the ...
www.ask.com/youtube?q=What Is the Definition of a Second Class Lever&v=lAdFBmO2lWE
Feb 26, 2008 ... An educational video on second class levers I made for my mom's 6th grade
Levers are typically labeled as first class, second class, or third class. All three
types are found in the body, but most levers in the human body are third class.
In a first-class lever the fulcrum is between the effort and resistance, where the
lever exerts a force. In a second-class lever the resistance is between the fulcrum
Aug 31, 2015 ... The mechanical advantage of a 2nd class lever is always greater than 1 ...
meaning you use more force that the force of the load you lift.