Mechanical Efficiency Definition#

Part 1#

Mechanical efficiency at any instant of time is expressed as

Answer Section#

  • The power output divided by the power input

  • The power input divided by the power output

  • The product of power input with the time during which the power is expended

  • The product of power input with power output

Attribution#

Problem is licensed under the CC-BY-NC-SA 4.0 license.
The Creative Commons 4.0 license requiring attribution-BY, non-commercial-NC, and share-alike-SA license.