Mechanisms: Mechanical Advantage | |
   | Mechanisms are often used to allow a small effort to move a large load. For example, a car jack allows an ordinary human to lift a car which may weigh as much as 2000Kg, while the person only exerts a force equivalent to 10 or 20Kg. This property of mechanisms is known as mechanical advantage, and for any particular system, has a specific numerical value. The mechanical advantage of a system is calculated by dividing the load by the effort. |
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