A third-class lever puts the effort between the fulcrum and the load. Its mechanical advantage is less than 1 — you push harder than the load weighs. Why bother? Because the load end moves faster and farther. Your own forearm is a third-class lever.
A third-class lever puts the effort between the fulcrum and the load. Its mechanical advantage is less than 1 — you push harder than the load weighs. Why bother? Because the load end moves faster and farther. Your own forearm is a third-class lever.