mechanical advantage

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mechanical advantage:

see machinemachine,
arrangement of moving and stationary mechanical parts used to perform some useful work or to provide transportation. From a historical perspective, many of the first machines were the result of human efforts to improve war-making capabilities; the term engineer
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mechanical advantage

[mi′kan·ə·kəl əd′van·tij]
(mechanical engineering)
The ratio of the force produced by a machine such as a lever or pulley to the force applied to it. Also known as force ratio.

Mechanical advantage

Ratio of the force exerted by a machine (the output) to the force exerted on the machine, usually by an operator (the input). The term is useful in discussing a simple machine, where it becomes a figure of merit. It is not particularly useful, however, when applied to more complicated machines, where other considerations become more important than a simple ratio of forces. See Efficiency, Simple machine

References in periodicals archive ?
Mechanical advantage is a measure of claw leverage, calculated from the ratio of two lever arms (Warner & Jones 1976) (Fig.
Transarticular screw fixation has an undisputed mechanical advantage over wiring and clamp techniques.
In all these cases, it is important to note that mechanical advantage alone is not sufficient to improve learning or critical thinking.
Besides weight reduction, nano-cellulose reinforced plastics have mechanical advantages over conventional automotive plastics, Leao added.
The goal is to eliminate the mechanical advantages and to produce a winner solely on driver skill.
The Powr Syringe Injector is a disposable hand-held device that adds ergonomic and mechanical advantages in injecting, monitoring, and aspirating fluids with speed, power tactile feedback and contrast media optimization.