In this video, we uncover the fascinating world of mechanical advantage through three simple yet powerful machines , levers, pulleys, and gears. For centuries, humans have used these inventions to ...

Levers use mechanical advantage to ease lifting; they consist of a bar and a pivot (fulcrum) with effort, fulcrum, and load arranged differently in first, second, and third class levers ...

The remedy comes in the guise of a replacement fulcrum pin, hopefully manufactured according to specifications. The part number of the subject brake lever is 8103376 as per the report attached below.

The fulcrum is the point around which the lever rotates. A seesaw is a class 1 lever but, with the fulcrum smack bang in the middle, it gives you zero mechanical advantage.