How can the AMA be increased in practice while keeping the load constant?

The ideal answer involves recognizing that the Actual Mechanical Advantage (AMA) is influenced by the efficiency of the machine being used. When you aim to increase the AMA while keeping the load weight constant, reducing friction through lubrication is a key factor.

By applying lubrication, the internal resistance to motion is decreased, which means that less effort is required to lift or move the load. This effectively allows more of the effort applied to be utilized in doing work on the load rather than overcoming frictional forces. Consequently, the ratio of the load to the effort becomes more favorable, thereby increasing the AMA without altering the load itself.

Using this method enhances the performance of the machine and allows it to operate more efficiently, illustrating how improving mechanical advantage can be achieved through better maintenance and design adjustments.