A lever is a machine consisting of a beam or rigid rod pivoted at a .... Class 2:
Resistance (or load) in the middle: the effort is applied on one side of the
resistance and the fulcrum is located o...
First-class levers have the fulcrum placed between the load and the effort, as in
the seesaw, crowbar, and balance scale. If the two arms of the lever are of equal
Many of our basic tools use levers, including scissors (2 class 1 levers), pliers (2
class 1 levers), hammer claws (a single class 2 lever), nut crackers (2 class 2 ...
May 23, 2016 ... Some common first-class levers are see-saws, crowbars, pliers, scissors (which
use two first-class levers together), and a hammer pulling a nail ...
A lever is one of the most common tools we use to help us lift things beyond our
strength ... A Class 2 lever has the load between the fulcrum and the input force.
www.ask.com/youtube?q=Class Two Levers&v=DXtr9-S3lxw
Mar 19, 2013 ... Check out us at:http://www.tutorvista.com/content/physics/physics-i/power-energy
-machines/levers.php Three Classes of Levers The basic ...
www.ask.com/youtube?q=Class Two Levers&v=Y4_sJza6zI0
Oct 27, 2014 ... Three Classes of Levers Man has use levers for thousands of years to make ... In
class 2 lever the load is in between the effort and the fulcrum.
http://library.thinkquest.org/J002079F/lever.htm. Page 2. Third Class Lever. Load
or ... causes the two sides to move towards the center. This is a classic example ...
Aug 17, 2016 ... Levers. For your arm, leg or any body part to move the appropriate ... Class 1 -
The fulcrum lies between the effort and the load; Class 2 - 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 ...