How is a shovel an example of a class 3 lever?
1 answer
A shovel is an example of a class 3 lever because the effort force (the force applied by the user) is in between the load (the dirt being lifted) and the fulcrum (the point where the shovel pivots). In this type of lever, the load is closer to the fulcrum than the effort force, causing the load to move a greater distance than the effort force. This allows the user to lift and move heavy loads with less effort.