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Question 2

A wheel and axle is used to raise a load of 500 N by the application of an effort of 250 N. If the radii of the wheel and the axle are 0.4 cm and 0.1 cm respectively, the efficiency of the machine is

  • A.20%
  • B.40%
  • C.50%
  • D.60%
Objective

Question details

Exam body
UNN
Subject
Physics
Year
2020/2021
Question no.
#2
Type
Objective
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