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Question 17

Which of the following actions will improve the efficiency of the pulley system?

  • A.reducing the mass of the pulley
  • B.increasing the friction force between the string and the pulley
  • C.increasing the mass per unit length of the string of the pulley
  • D.increasing the mass of the pulley
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2002
Question no.
#17
Type
Objective
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