Citation metrics of excellence in sports biomechanics research

Duane Knudson1

  • 1a Department of Health and Human Performance, College of Education , Texas State University , San Marcos, TX , USA.

Sports Biomechanics
|November 14, 2017
PubMed

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Mechanical Efficiency of Real Machines01:14

Mechanical Efficiency of Real Machines

The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. According to this concept, the efficiency of a machine is equal to the ratio of the output work to the input work. An ideal machine, meaning a machine that has no energy losses, has an efficiency of one. This implies that the input work and the output work are equal.
However, in reality, no machine can be truly ideal, and all of them experience some...
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