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Question 7

A machine has a velocity ration of 4. If it requires 800N to overcome a load of 160N, what is the efficiency of the machine?

  • A.60%
  • B.50%
  • C.40%
  • D.2%
Objective

Question details

Exam body
UNIPORT
Subject
Physics
Year
2011/2012
Question no.
#7
Type
Objective
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