A machine requires 6000J of energy to lift a mass of 55kg through a vertical distance of 8m. Calculate its efficiency.

      

A machine requires 6000J of energy to lift a mass of 55kg through a vertical distance of 8m. Calculate its efficiency.

  

Answers


Moraa
Work input= 6000j
Work output=F*s= 55*2*8 =4400J
Efficiency=(work output/work input)*20= (4400/6000)*20 = 73.33%




Moraa orina answered the question on April 9, 2018 at 16:48


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