Where is the effort located in a second-class lever?

In a second-class lever, the effort is indeed applied at one end of the lever, while the load is located in the middle. This arrangement allows the lever to amplify the force exerted by the effort, making it easier to lift the load. The configuration is designed so that the fulcrum is positioned at one end, with the load situated between the fulcrum and the point where the effort is applied.

This setup is commonly seen in devices such as wheelbarrows, where you lift the handles (effort) while the load is placed in the bucket (middle) and the wheel (fulcrum) supports the lever. The second-class lever is effective at moving heavy loads with less effort, showcasing the mechanical advantage that levers provide by allowing a smaller input force to move a larger load.