LEVERS

=Levers= [image:http://i.imgur.com/AvZ1epT.png?1] The force that is applied to a lever is called the Effort. The weight of an object that resists movement of the lever is the Load. The Effort and Load are both forces. The fixed point or support about which a lever pivots is the Fulcrum Levers can be Force or Distance multipliers depending on the position of the Fulcrum. ==Types of Levers== There are three different classes of lever depending on the position of the fulcrum (pivot) [image:http://i.imgur.com/WDXZSDM.png?1] ==Lever Calculations== Because energy is conserved the work done remains constant. $$W (in) = W (out)$$ $$ F \times d = F \times d$$ [image:http://i.imgur.com/a4C0svY.png] The force applied to the lever (Effort) can be greater or less than the weight force of the object (Load) depending on their respective distances from the fulcrum. $$ E \times d = L \times d$$