jaegal22 jaegal22
  • 06-03-2019
  • Physics
contestada

What is the efficiency of a tractor that has a work output of 300j and a work input of 400j

Respuesta :

jamuuj jamuuj
  • 16-03-2019

Answer;

= 75 %

Explanation;

To measure efficiency of a machine, compare the work output to work input.

Efficiency = Work output/ work output × 100 %

                = 300/400 × 100

                = 75 %

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